1 /*
2  * Copyright 2016 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 #include <linux/delay.h>
26 
27 #include "dm_services.h"
28 #include "basics/dc_common.h"
29 #include "dm_helpers.h"
30 #include "core_types.h"
31 #include "resource.h"
32 #include "dcn20_resource.h"
33 #include "dcn20_hwseq.h"
34 #include "dce/dce_hwseq.h"
35 #include "dcn20_dsc.h"
36 #include "dcn20_optc.h"
37 #include "abm.h"
38 #include "clk_mgr.h"
39 #include "dmcu.h"
40 #include "hubp.h"
41 #include "timing_generator.h"
42 #include "opp.h"
43 #include "ipp.h"
44 #include "mpc.h"
45 #include "mcif_wb.h"
46 #include "dchubbub.h"
47 #include "reg_helper.h"
48 #include "dcn10/dcn10_cm_common.h"
49 #include "dc_link_dp.h"
50 #include "vm_helper.h"
51 #include "dccg.h"
52 #include "dc_dmub_srv.h"
53 #include "dce/dmub_hw_lock_mgr.h"
54 #include "hw_sequencer.h"
55 #include "inc/link_dpcd.h"
56 #include "dpcd_defs.h"
57 #include "inc/link_enc_cfg.h"
58 #include "link_hwss.h"
59 
60 #define DC_LOGGER_INIT(logger)
61 
62 #define CTX \
63 	hws->ctx
64 #define REG(reg)\
65 	hws->regs->reg
66 
67 #undef FN
68 #define FN(reg_name, field_name) \
69 	hws->shifts->field_name, hws->masks->field_name
70 
71 static int find_free_gsl_group(const struct dc *dc)
72 {
73 	if (dc->res_pool->gsl_groups.gsl_0 == 0)
74 		return 1;
75 	if (dc->res_pool->gsl_groups.gsl_1 == 0)
76 		return 2;
77 	if (dc->res_pool->gsl_groups.gsl_2 == 0)
78 		return 3;
79 
80 	return 0;
81 }
82 
83 /* NOTE: This is not a generic setup_gsl function (hence the suffix as_lock)
84  * This is only used to lock pipes in pipe splitting case with immediate flip
85  * Ordinary MPC/OTG locks suppress VUPDATE which doesn't help with immediate,
86  * so we get tearing with freesync since we cannot flip multiple pipes
87  * atomically.
88  * We use GSL for this:
89  * - immediate flip: find first available GSL group if not already assigned
90  *                   program gsl with that group, set current OTG as master
91  *                   and always us 0x4 = AND of flip_ready from all pipes
92  * - vsync flip: disable GSL if used
93  *
94  * Groups in stream_res are stored as +1 from HW registers, i.e.
95  * gsl_0 <=> pipe_ctx->stream_res.gsl_group == 1
96  * Using a magic value like -1 would require tracking all inits/resets
97  */
98 static void dcn20_setup_gsl_group_as_lock(
99 		const struct dc *dc,
100 		struct pipe_ctx *pipe_ctx,
101 		bool enable)
102 {
103 	struct gsl_params gsl;
104 	int group_idx;
105 
106 	memset(&gsl, 0, sizeof(struct gsl_params));
107 
108 	if (enable) {
109 		/* return if group already assigned since GSL was set up
110 		 * for vsync flip, we would unassign so it can't be "left over"
111 		 */
112 		if (pipe_ctx->stream_res.gsl_group > 0)
113 			return;
114 
115 		group_idx = find_free_gsl_group(dc);
116 		ASSERT(group_idx != 0);
117 		pipe_ctx->stream_res.gsl_group = group_idx;
118 
119 		/* set gsl group reg field and mark resource used */
120 		switch (group_idx) {
121 		case 1:
122 			gsl.gsl0_en = 1;
123 			dc->res_pool->gsl_groups.gsl_0 = 1;
124 			break;
125 		case 2:
126 			gsl.gsl1_en = 1;
127 			dc->res_pool->gsl_groups.gsl_1 = 1;
128 			break;
129 		case 3:
130 			gsl.gsl2_en = 1;
131 			dc->res_pool->gsl_groups.gsl_2 = 1;
132 			break;
133 		default:
134 			BREAK_TO_DEBUGGER();
135 			return; // invalid case
136 		}
137 		gsl.gsl_master_en = 1;
138 	} else {
139 		group_idx = pipe_ctx->stream_res.gsl_group;
140 		if (group_idx == 0)
141 			return; // if not in use, just return
142 
143 		pipe_ctx->stream_res.gsl_group = 0;
144 
145 		/* unset gsl group reg field and mark resource free */
146 		switch (group_idx) {
147 		case 1:
148 			gsl.gsl0_en = 0;
149 			dc->res_pool->gsl_groups.gsl_0 = 0;
150 			break;
151 		case 2:
152 			gsl.gsl1_en = 0;
153 			dc->res_pool->gsl_groups.gsl_1 = 0;
154 			break;
155 		case 3:
156 			gsl.gsl2_en = 0;
157 			dc->res_pool->gsl_groups.gsl_2 = 0;
158 			break;
159 		default:
160 			BREAK_TO_DEBUGGER();
161 			return;
162 		}
163 		gsl.gsl_master_en = 0;
164 	}
165 
166 	/* at this point we want to program whether it's to enable or disable */
167 	if (pipe_ctx->stream_res.tg->funcs->set_gsl != NULL &&
168 		pipe_ctx->stream_res.tg->funcs->set_gsl_source_select != NULL) {
169 		pipe_ctx->stream_res.tg->funcs->set_gsl(
170 			pipe_ctx->stream_res.tg,
171 			&gsl);
172 
173 		pipe_ctx->stream_res.tg->funcs->set_gsl_source_select(
174 			pipe_ctx->stream_res.tg, group_idx,	enable ? 4 : 0);
175 	} else
176 		BREAK_TO_DEBUGGER();
177 }
178 
179 void dcn20_set_flip_control_gsl(
180 		struct pipe_ctx *pipe_ctx,
181 		bool flip_immediate)
182 {
183 	if (pipe_ctx && pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_control_surface_gsl)
184 		pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_control_surface_gsl(
185 				pipe_ctx->plane_res.hubp, flip_immediate);
186 
187 }
188 
189 void dcn20_enable_power_gating_plane(
190 	struct dce_hwseq *hws,
191 	bool enable)
192 {
193 	bool force_on = true; /* disable power gating */
194 
195 	if (enable)
196 		force_on = false;
197 
198 	/* DCHUBP0/1/2/3/4/5 */
199 	REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN0_POWER_FORCEON, force_on);
200 	REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN2_POWER_FORCEON, force_on);
201 	REG_UPDATE(DOMAIN4_PG_CONFIG, DOMAIN4_POWER_FORCEON, force_on);
202 	REG_UPDATE(DOMAIN6_PG_CONFIG, DOMAIN6_POWER_FORCEON, force_on);
203 	if (REG(DOMAIN8_PG_CONFIG))
204 		REG_UPDATE(DOMAIN8_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
205 	if (REG(DOMAIN10_PG_CONFIG))
206 		REG_UPDATE(DOMAIN10_PG_CONFIG, DOMAIN8_POWER_FORCEON, force_on);
207 
208 	/* DPP0/1/2/3/4/5 */
209 	REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN1_POWER_FORCEON, force_on);
210 	REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN3_POWER_FORCEON, force_on);
211 	REG_UPDATE(DOMAIN5_PG_CONFIG, DOMAIN5_POWER_FORCEON, force_on);
212 	REG_UPDATE(DOMAIN7_PG_CONFIG, DOMAIN7_POWER_FORCEON, force_on);
213 	if (REG(DOMAIN9_PG_CONFIG))
214 		REG_UPDATE(DOMAIN9_PG_CONFIG, DOMAIN9_POWER_FORCEON, force_on);
215 	if (REG(DOMAIN11_PG_CONFIG))
216 		REG_UPDATE(DOMAIN11_PG_CONFIG, DOMAIN9_POWER_FORCEON, force_on);
217 
218 	/* DCS0/1/2/3/4/5 */
219 	REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN16_POWER_FORCEON, force_on);
220 	REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN17_POWER_FORCEON, force_on);
221 	REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN18_POWER_FORCEON, force_on);
222 	if (REG(DOMAIN19_PG_CONFIG))
223 		REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN19_POWER_FORCEON, force_on);
224 	if (REG(DOMAIN20_PG_CONFIG))
225 		REG_UPDATE(DOMAIN20_PG_CONFIG, DOMAIN20_POWER_FORCEON, force_on);
226 	if (REG(DOMAIN21_PG_CONFIG))
227 		REG_UPDATE(DOMAIN21_PG_CONFIG, DOMAIN21_POWER_FORCEON, force_on);
228 }
229 
230 void dcn20_dccg_init(struct dce_hwseq *hws)
231 {
232 	/*
233 	 * set MICROSECOND_TIME_BASE_DIV
234 	 * 100Mhz refclk -> 0x120264
235 	 * 27Mhz refclk -> 0x12021b
236 	 * 48Mhz refclk -> 0x120230
237 	 *
238 	 */
239 	REG_WRITE(MICROSECOND_TIME_BASE_DIV, 0x120264);
240 
241 	/*
242 	 * set MILLISECOND_TIME_BASE_DIV
243 	 * 100Mhz refclk -> 0x1186a0
244 	 * 27Mhz refclk -> 0x106978
245 	 * 48Mhz refclk -> 0x10bb80
246 	 *
247 	 */
248 	REG_WRITE(MILLISECOND_TIME_BASE_DIV, 0x1186a0);
249 
250 	/* This value is dependent on the hardware pipeline delay so set once per SOC */
251 	REG_WRITE(DISPCLK_FREQ_CHANGE_CNTL, 0xe01003c);
252 }
253 
254 void dcn20_disable_vga(
255 	struct dce_hwseq *hws)
256 {
257 	REG_WRITE(D1VGA_CONTROL, 0);
258 	REG_WRITE(D2VGA_CONTROL, 0);
259 	REG_WRITE(D3VGA_CONTROL, 0);
260 	REG_WRITE(D4VGA_CONTROL, 0);
261 	REG_WRITE(D5VGA_CONTROL, 0);
262 	REG_WRITE(D6VGA_CONTROL, 0);
263 }
264 
265 void dcn20_program_triple_buffer(
266 	const struct dc *dc,
267 	struct pipe_ctx *pipe_ctx,
268 	bool enable_triple_buffer)
269 {
270 	if (pipe_ctx->plane_res.hubp && pipe_ctx->plane_res.hubp->funcs) {
271 		pipe_ctx->plane_res.hubp->funcs->hubp_enable_tripleBuffer(
272 			pipe_ctx->plane_res.hubp,
273 			enable_triple_buffer);
274 	}
275 }
276 
277 /* Blank pixel data during initialization */
278 void dcn20_init_blank(
279 		struct dc *dc,
280 		struct timing_generator *tg)
281 {
282 	struct dce_hwseq *hws = dc->hwseq;
283 	enum dc_color_space color_space;
284 	struct tg_color black_color = {0};
285 	struct output_pixel_processor *opp = NULL;
286 	struct output_pixel_processor *bottom_opp = NULL;
287 	uint32_t num_opps, opp_id_src0, opp_id_src1;
288 	uint32_t otg_active_width, otg_active_height;
289 
290 	/* program opp dpg blank color */
291 	color_space = COLOR_SPACE_SRGB;
292 	color_space_to_black_color(dc, color_space, &black_color);
293 
294 	/* get the OTG active size */
295 	tg->funcs->get_otg_active_size(tg,
296 			&otg_active_width,
297 			&otg_active_height);
298 
299 	/* get the OPTC source */
300 	tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
301 
302 	if (opp_id_src0 >= dc->res_pool->res_cap->num_opp) {
303 		ASSERT(false);
304 		return;
305 	}
306 	opp = dc->res_pool->opps[opp_id_src0];
307 
308 	if (num_opps == 2) {
309 		otg_active_width = otg_active_width / 2;
310 
311 		if (opp_id_src1 >= dc->res_pool->res_cap->num_opp) {
312 			ASSERT(false);
313 			return;
314 		}
315 		bottom_opp = dc->res_pool->opps[opp_id_src1];
316 	}
317 
318 	opp->funcs->opp_set_disp_pattern_generator(
319 			opp,
320 			CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
321 			CONTROLLER_DP_COLOR_SPACE_UDEFINED,
322 			COLOR_DEPTH_UNDEFINED,
323 			&black_color,
324 			otg_active_width,
325 			otg_active_height,
326 			0);
327 
328 	if (num_opps == 2) {
329 		bottom_opp->funcs->opp_set_disp_pattern_generator(
330 				bottom_opp,
331 				CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
332 				CONTROLLER_DP_COLOR_SPACE_UDEFINED,
333 				COLOR_DEPTH_UNDEFINED,
334 				&black_color,
335 				otg_active_width,
336 				otg_active_height,
337 				0);
338 	}
339 
340 	hws->funcs.wait_for_blank_complete(opp);
341 }
342 
343 void dcn20_dsc_pg_control(
344 		struct dce_hwseq *hws,
345 		unsigned int dsc_inst,
346 		bool power_on)
347 {
348 	uint32_t power_gate = power_on ? 0 : 1;
349 	uint32_t pwr_status = power_on ? 0 : 2;
350 	uint32_t org_ip_request_cntl = 0;
351 
352 	if (hws->ctx->dc->debug.disable_dsc_power_gate)
353 		return;
354 
355 	if (REG(DOMAIN16_PG_CONFIG) == 0)
356 		return;
357 
358 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
359 	if (org_ip_request_cntl == 0)
360 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
361 
362 	switch (dsc_inst) {
363 	case 0: /* DSC0 */
364 		REG_UPDATE(DOMAIN16_PG_CONFIG,
365 				DOMAIN16_POWER_GATE, power_gate);
366 
367 		REG_WAIT(DOMAIN16_PG_STATUS,
368 				DOMAIN16_PGFSM_PWR_STATUS, pwr_status,
369 				1, 1000);
370 		break;
371 	case 1: /* DSC1 */
372 		REG_UPDATE(DOMAIN17_PG_CONFIG,
373 				DOMAIN17_POWER_GATE, power_gate);
374 
375 		REG_WAIT(DOMAIN17_PG_STATUS,
376 				DOMAIN17_PGFSM_PWR_STATUS, pwr_status,
377 				1, 1000);
378 		break;
379 	case 2: /* DSC2 */
380 		REG_UPDATE(DOMAIN18_PG_CONFIG,
381 				DOMAIN18_POWER_GATE, power_gate);
382 
383 		REG_WAIT(DOMAIN18_PG_STATUS,
384 				DOMAIN18_PGFSM_PWR_STATUS, pwr_status,
385 				1, 1000);
386 		break;
387 	case 3: /* DSC3 */
388 		REG_UPDATE(DOMAIN19_PG_CONFIG,
389 				DOMAIN19_POWER_GATE, power_gate);
390 
391 		REG_WAIT(DOMAIN19_PG_STATUS,
392 				DOMAIN19_PGFSM_PWR_STATUS, pwr_status,
393 				1, 1000);
394 		break;
395 	case 4: /* DSC4 */
396 		REG_UPDATE(DOMAIN20_PG_CONFIG,
397 				DOMAIN20_POWER_GATE, power_gate);
398 
399 		REG_WAIT(DOMAIN20_PG_STATUS,
400 				DOMAIN20_PGFSM_PWR_STATUS, pwr_status,
401 				1, 1000);
402 		break;
403 	case 5: /* DSC5 */
404 		REG_UPDATE(DOMAIN21_PG_CONFIG,
405 				DOMAIN21_POWER_GATE, power_gate);
406 
407 		REG_WAIT(DOMAIN21_PG_STATUS,
408 				DOMAIN21_PGFSM_PWR_STATUS, pwr_status,
409 				1, 1000);
410 		break;
411 	default:
412 		BREAK_TO_DEBUGGER();
413 		break;
414 	}
415 
416 	if (org_ip_request_cntl == 0)
417 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
418 }
419 
420 void dcn20_dpp_pg_control(
421 		struct dce_hwseq *hws,
422 		unsigned int dpp_inst,
423 		bool power_on)
424 {
425 	uint32_t power_gate = power_on ? 0 : 1;
426 	uint32_t pwr_status = power_on ? 0 : 2;
427 
428 	if (hws->ctx->dc->debug.disable_dpp_power_gate)
429 		return;
430 	if (REG(DOMAIN1_PG_CONFIG) == 0)
431 		return;
432 
433 	switch (dpp_inst) {
434 	case 0: /* DPP0 */
435 		REG_UPDATE(DOMAIN1_PG_CONFIG,
436 				DOMAIN1_POWER_GATE, power_gate);
437 
438 		REG_WAIT(DOMAIN1_PG_STATUS,
439 				DOMAIN1_PGFSM_PWR_STATUS, pwr_status,
440 				1, 1000);
441 		break;
442 	case 1: /* DPP1 */
443 		REG_UPDATE(DOMAIN3_PG_CONFIG,
444 				DOMAIN3_POWER_GATE, power_gate);
445 
446 		REG_WAIT(DOMAIN3_PG_STATUS,
447 				DOMAIN3_PGFSM_PWR_STATUS, pwr_status,
448 				1, 1000);
449 		break;
450 	case 2: /* DPP2 */
451 		REG_UPDATE(DOMAIN5_PG_CONFIG,
452 				DOMAIN5_POWER_GATE, power_gate);
453 
454 		REG_WAIT(DOMAIN5_PG_STATUS,
455 				DOMAIN5_PGFSM_PWR_STATUS, pwr_status,
456 				1, 1000);
457 		break;
458 	case 3: /* DPP3 */
459 		REG_UPDATE(DOMAIN7_PG_CONFIG,
460 				DOMAIN7_POWER_GATE, power_gate);
461 
462 		REG_WAIT(DOMAIN7_PG_STATUS,
463 				DOMAIN7_PGFSM_PWR_STATUS, pwr_status,
464 				1, 1000);
465 		break;
466 	case 4: /* DPP4 */
467 		REG_UPDATE(DOMAIN9_PG_CONFIG,
468 				DOMAIN9_POWER_GATE, power_gate);
469 
470 		REG_WAIT(DOMAIN9_PG_STATUS,
471 				DOMAIN9_PGFSM_PWR_STATUS, pwr_status,
472 				1, 1000);
473 		break;
474 	case 5: /* DPP5 */
475 		/*
476 		 * Do not power gate DPP5, should be left at HW default, power on permanently.
477 		 * PG on Pipe5 is De-featured, attempting to put it to PG state may result in hard
478 		 * reset.
479 		 * REG_UPDATE(DOMAIN11_PG_CONFIG,
480 		 *		DOMAIN11_POWER_GATE, power_gate);
481 		 *
482 		 * REG_WAIT(DOMAIN11_PG_STATUS,
483 		 *		DOMAIN11_PGFSM_PWR_STATUS, pwr_status,
484 		 * 		1, 1000);
485 		 */
486 		break;
487 	default:
488 		BREAK_TO_DEBUGGER();
489 		break;
490 	}
491 }
492 
493 
494 void dcn20_hubp_pg_control(
495 		struct dce_hwseq *hws,
496 		unsigned int hubp_inst,
497 		bool power_on)
498 {
499 	uint32_t power_gate = power_on ? 0 : 1;
500 	uint32_t pwr_status = power_on ? 0 : 2;
501 
502 	if (hws->ctx->dc->debug.disable_hubp_power_gate)
503 		return;
504 	if (REG(DOMAIN0_PG_CONFIG) == 0)
505 		return;
506 
507 	switch (hubp_inst) {
508 	case 0: /* DCHUBP0 */
509 		REG_UPDATE(DOMAIN0_PG_CONFIG,
510 				DOMAIN0_POWER_GATE, power_gate);
511 
512 		REG_WAIT(DOMAIN0_PG_STATUS,
513 				DOMAIN0_PGFSM_PWR_STATUS, pwr_status,
514 				1, 1000);
515 		break;
516 	case 1: /* DCHUBP1 */
517 		REG_UPDATE(DOMAIN2_PG_CONFIG,
518 				DOMAIN2_POWER_GATE, power_gate);
519 
520 		REG_WAIT(DOMAIN2_PG_STATUS,
521 				DOMAIN2_PGFSM_PWR_STATUS, pwr_status,
522 				1, 1000);
523 		break;
524 	case 2: /* DCHUBP2 */
525 		REG_UPDATE(DOMAIN4_PG_CONFIG,
526 				DOMAIN4_POWER_GATE, power_gate);
527 
528 		REG_WAIT(DOMAIN4_PG_STATUS,
529 				DOMAIN4_PGFSM_PWR_STATUS, pwr_status,
530 				1, 1000);
531 		break;
532 	case 3: /* DCHUBP3 */
533 		REG_UPDATE(DOMAIN6_PG_CONFIG,
534 				DOMAIN6_POWER_GATE, power_gate);
535 
536 		REG_WAIT(DOMAIN6_PG_STATUS,
537 				DOMAIN6_PGFSM_PWR_STATUS, pwr_status,
538 				1, 1000);
539 		break;
540 	case 4: /* DCHUBP4 */
541 		REG_UPDATE(DOMAIN8_PG_CONFIG,
542 				DOMAIN8_POWER_GATE, power_gate);
543 
544 		REG_WAIT(DOMAIN8_PG_STATUS,
545 				DOMAIN8_PGFSM_PWR_STATUS, pwr_status,
546 				1, 1000);
547 		break;
548 	case 5: /* DCHUBP5 */
549 		/*
550 		 * Do not power gate DCHUB5, should be left at HW default, power on permanently.
551 		 * PG on Pipe5 is De-featured, attempting to put it to PG state may result in hard
552 		 * reset.
553 		 * REG_UPDATE(DOMAIN10_PG_CONFIG,
554 		 *		DOMAIN10_POWER_GATE, power_gate);
555 		 *
556 		 * REG_WAIT(DOMAIN10_PG_STATUS,
557 		 *		DOMAIN10_PGFSM_PWR_STATUS, pwr_status,
558 		 *		1, 1000);
559 		 */
560 		break;
561 	default:
562 		BREAK_TO_DEBUGGER();
563 		break;
564 	}
565 }
566 
567 
568 /* disable HW used by plane.
569  * note:  cannot disable until disconnect is complete
570  */
571 void dcn20_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx)
572 {
573 	struct dce_hwseq *hws = dc->hwseq;
574 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
575 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
576 
577 	dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe_ctx);
578 
579 	/* In flip immediate with pipe splitting case GSL is used for
580 	 * synchronization so we must disable it when the plane is disabled.
581 	 */
582 	if (pipe_ctx->stream_res.gsl_group != 0)
583 		dcn20_setup_gsl_group_as_lock(dc, pipe_ctx, false);
584 
585 	dc->hwss.set_flip_control_gsl(pipe_ctx, false);
586 
587 	hubp->funcs->hubp_clk_cntl(hubp, false);
588 
589 	dpp->funcs->dpp_dppclk_control(dpp, false, false);
590 
591 	hubp->power_gated = true;
592 
593 	hws->funcs.plane_atomic_power_down(dc,
594 			pipe_ctx->plane_res.dpp,
595 			pipe_ctx->plane_res.hubp);
596 
597 	pipe_ctx->stream = NULL;
598 	memset(&pipe_ctx->stream_res, 0, sizeof(pipe_ctx->stream_res));
599 	memset(&pipe_ctx->plane_res, 0, sizeof(pipe_ctx->plane_res));
600 	pipe_ctx->top_pipe = NULL;
601 	pipe_ctx->bottom_pipe = NULL;
602 	pipe_ctx->plane_state = NULL;
603 }
604 
605 
606 void dcn20_disable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx)
607 {
608 	DC_LOGGER_INIT(dc->ctx->logger);
609 
610 	if (!pipe_ctx->plane_res.hubp || pipe_ctx->plane_res.hubp->power_gated)
611 		return;
612 
613 	dcn20_plane_atomic_disable(dc, pipe_ctx);
614 
615 	DC_LOG_DC("Power down front end %d\n",
616 					pipe_ctx->pipe_idx);
617 }
618 
619 void dcn20_disable_pixel_data(struct dc *dc, struct pipe_ctx *pipe_ctx, bool blank)
620 {
621 	dcn20_blank_pixel_data(dc, pipe_ctx, blank);
622 }
623 
624 static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
625 		int opp_cnt)
626 {
627 	bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing);
628 	int flow_ctrl_cnt;
629 
630 	if (opp_cnt >= 2)
631 		hblank_halved = true;
632 
633 	flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable -
634 			stream->timing.h_border_left -
635 			stream->timing.h_border_right;
636 
637 	if (hblank_halved)
638 		flow_ctrl_cnt /= 2;
639 
640 	/* ODM combine 4:1 case */
641 	if (opp_cnt == 4)
642 		flow_ctrl_cnt /= 2;
643 
644 	return flow_ctrl_cnt;
645 }
646 
647 enum dc_status dcn20_enable_stream_timing(
648 		struct pipe_ctx *pipe_ctx,
649 		struct dc_state *context,
650 		struct dc *dc)
651 {
652 	struct dce_hwseq *hws = dc->hwseq;
653 	struct dc_stream_state *stream = pipe_ctx->stream;
654 	struct drr_params params = {0};
655 	unsigned int event_triggers = 0;
656 	struct pipe_ctx *odm_pipe;
657 	int opp_cnt = 1;
658 	int opp_inst[MAX_PIPES] = { pipe_ctx->stream_res.opp->inst };
659 	bool interlace = stream->timing.flags.INTERLACE;
660 	int i;
661 	struct mpc_dwb_flow_control flow_control;
662 	struct mpc *mpc = dc->res_pool->mpc;
663 	bool rate_control_2x_pclk = (interlace || optc2_is_two_pixels_per_containter(&stream->timing));
664 	unsigned int k1_div = PIXEL_RATE_DIV_NA;
665 	unsigned int k2_div = PIXEL_RATE_DIV_NA;
666 
667 	if (hws->funcs.calculate_dccg_k1_k2_values && dc->res_pool->dccg->funcs->set_pixel_rate_div) {
668 		hws->funcs.calculate_dccg_k1_k2_values(pipe_ctx, &k1_div, &k2_div);
669 
670 		dc->res_pool->dccg->funcs->set_pixel_rate_div(
671 			dc->res_pool->dccg,
672 			pipe_ctx->stream_res.tg->inst,
673 			k1_div, k2_div);
674 	}
675 	/* by upper caller loop, pipe0 is parent pipe and be called first.
676 	 * back end is set up by for pipe0. Other children pipe share back end
677 	 * with pipe 0. No program is needed.
678 	 */
679 	if (pipe_ctx->top_pipe != NULL)
680 		return DC_OK;
681 
682 	/* TODO check if timing_changed, disable stream if timing changed */
683 
684 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
685 		opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
686 		opp_cnt++;
687 	}
688 
689 	if (opp_cnt > 1)
690 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
691 				pipe_ctx->stream_res.tg,
692 				opp_inst, opp_cnt,
693 				&pipe_ctx->stream->timing);
694 
695 	/* HW program guide assume display already disable
696 	 * by unplug sequence. OTG assume stop.
697 	 */
698 	pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, true);
699 
700 	if (false == pipe_ctx->clock_source->funcs->program_pix_clk(
701 			pipe_ctx->clock_source,
702 			&pipe_ctx->stream_res.pix_clk_params,
703 			dp_get_link_encoding_format(&pipe_ctx->link_config.dp_link_settings),
704 			&pipe_ctx->pll_settings)) {
705 		BREAK_TO_DEBUGGER();
706 		return DC_ERROR_UNEXPECTED;
707 	}
708 
709 	if (dc_is_hdmi_tmds_signal(stream->signal)) {
710 		stream->link->phy_state.symclk_ref_cnts.otg = 1;
711 		if (stream->link->phy_state.symclk_state == SYMCLK_OFF_TX_OFF)
712 			stream->link->phy_state.symclk_state = SYMCLK_ON_TX_OFF;
713 		else
714 			stream->link->phy_state.symclk_state = SYMCLK_ON_TX_ON;
715 	}
716 
717 	if (dc->hwseq->funcs.PLAT_58856_wa && (!dc_is_dp_signal(stream->signal)))
718 		dc->hwseq->funcs.PLAT_58856_wa(context, pipe_ctx);
719 
720 	pipe_ctx->stream_res.tg->funcs->program_timing(
721 			pipe_ctx->stream_res.tg,
722 			&stream->timing,
723 			pipe_ctx->pipe_dlg_param.vready_offset,
724 			pipe_ctx->pipe_dlg_param.vstartup_start,
725 			pipe_ctx->pipe_dlg_param.vupdate_offset,
726 			pipe_ctx->pipe_dlg_param.vupdate_width,
727 			pipe_ctx->stream->signal,
728 			true);
729 
730 	rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1;
731 	flow_control.flow_ctrl_mode = 0;
732 	flow_control.flow_ctrl_cnt0 = 0x80;
733 	flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(stream, opp_cnt);
734 	if (mpc->funcs->set_out_rate_control) {
735 		for (i = 0; i < opp_cnt; ++i) {
736 			mpc->funcs->set_out_rate_control(
737 					mpc, opp_inst[i],
738 					true,
739 					rate_control_2x_pclk,
740 					&flow_control);
741 		}
742 	}
743 
744 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
745 		odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
746 				odm_pipe->stream_res.opp,
747 				true);
748 
749 	pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
750 			pipe_ctx->stream_res.opp,
751 			true);
752 
753 	hws->funcs.blank_pixel_data(dc, pipe_ctx, true);
754 
755 	/* VTG is  within DCHUB command block. DCFCLK is always on */
756 	if (false == pipe_ctx->stream_res.tg->funcs->enable_crtc(pipe_ctx->stream_res.tg)) {
757 		BREAK_TO_DEBUGGER();
758 		return DC_ERROR_UNEXPECTED;
759 	}
760 
761 	hws->funcs.wait_for_blank_complete(pipe_ctx->stream_res.opp);
762 
763 	params.vertical_total_min = stream->adjust.v_total_min;
764 	params.vertical_total_max = stream->adjust.v_total_max;
765 	params.vertical_total_mid = stream->adjust.v_total_mid;
766 	params.vertical_total_mid_frame_num = stream->adjust.v_total_mid_frame_num;
767 	if (pipe_ctx->stream_res.tg->funcs->set_drr)
768 		pipe_ctx->stream_res.tg->funcs->set_drr(
769 			pipe_ctx->stream_res.tg, &params);
770 
771 	// DRR should set trigger event to monitor surface update event
772 	if (stream->adjust.v_total_min != 0 && stream->adjust.v_total_max != 0)
773 		event_triggers = 0x80;
774 	/* Event triggers and num frames initialized for DRR, but can be
775 	 * later updated for PSR use. Note DRR trigger events are generated
776 	 * regardless of whether num frames met.
777 	 */
778 	if (pipe_ctx->stream_res.tg->funcs->set_static_screen_control)
779 		pipe_ctx->stream_res.tg->funcs->set_static_screen_control(
780 				pipe_ctx->stream_res.tg, event_triggers, 2);
781 
782 	/* TODO program crtc source select for non-virtual signal*/
783 	/* TODO program FMT */
784 	/* TODO setup link_enc */
785 	/* TODO set stream attributes */
786 	/* TODO program audio */
787 	/* TODO enable stream if timing changed */
788 	/* TODO unblank stream if DP */
789 
790 	if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM) {
791 		if (pipe_ctx->stream_res.tg && pipe_ctx->stream_res.tg->funcs->phantom_crtc_post_enable)
792 			pipe_ctx->stream_res.tg->funcs->phantom_crtc_post_enable(pipe_ctx->stream_res.tg);
793 	}
794 	return DC_OK;
795 }
796 
797 void dcn20_program_output_csc(struct dc *dc,
798 		struct pipe_ctx *pipe_ctx,
799 		enum dc_color_space colorspace,
800 		uint16_t *matrix,
801 		int opp_id)
802 {
803 	struct mpc *mpc = dc->res_pool->mpc;
804 	enum mpc_output_csc_mode ocsc_mode = MPC_OUTPUT_CSC_COEF_A;
805 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
806 
807 	if (mpc->funcs->power_on_mpc_mem_pwr)
808 		mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, true);
809 
810 	if (pipe_ctx->stream->csc_color_matrix.enable_adjustment == true) {
811 		if (mpc->funcs->set_output_csc != NULL)
812 			mpc->funcs->set_output_csc(mpc,
813 					opp_id,
814 					matrix,
815 					ocsc_mode);
816 	} else {
817 		if (mpc->funcs->set_ocsc_default != NULL)
818 			mpc->funcs->set_ocsc_default(mpc,
819 					opp_id,
820 					colorspace,
821 					ocsc_mode);
822 	}
823 }
824 
825 bool dcn20_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
826 				const struct dc_stream_state *stream)
827 {
828 	int mpcc_id = pipe_ctx->plane_res.hubp->inst;
829 	struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
830 	struct pwl_params *params = NULL;
831 	/*
832 	 * program OGAM only for the top pipe
833 	 * if there is a pipe split then fix diagnostic is required:
834 	 * how to pass OGAM parameter for stream.
835 	 * if programming for all pipes is required then remove condition
836 	 * pipe_ctx->top_pipe == NULL ,but then fix the diagnostic.
837 	 */
838 	if (mpc->funcs->power_on_mpc_mem_pwr)
839 		mpc->funcs->power_on_mpc_mem_pwr(mpc, mpcc_id, true);
840 	if (pipe_ctx->top_pipe == NULL
841 			&& mpc->funcs->set_output_gamma && stream->out_transfer_func) {
842 		if (stream->out_transfer_func->type == TF_TYPE_HWPWL)
843 			params = &stream->out_transfer_func->pwl;
844 		else if (pipe_ctx->stream->out_transfer_func->type ==
845 			TF_TYPE_DISTRIBUTED_POINTS &&
846 			cm_helper_translate_curve_to_hw_format(
847 			stream->out_transfer_func,
848 			&mpc->blender_params, false))
849 			params = &mpc->blender_params;
850 		/*
851 		 * there is no ROM
852 		 */
853 		if (stream->out_transfer_func->type == TF_TYPE_PREDEFINED)
854 			BREAK_TO_DEBUGGER();
855 	}
856 	/*
857 	 * if above if is not executed then 'params' equal to 0 and set in bypass
858 	 */
859 	mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
860 
861 	return true;
862 }
863 
864 bool dcn20_set_blend_lut(
865 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
866 {
867 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
868 	bool result = true;
869 	struct pwl_params *blend_lut = NULL;
870 
871 	if (plane_state->blend_tf) {
872 		if (plane_state->blend_tf->type == TF_TYPE_HWPWL)
873 			blend_lut = &plane_state->blend_tf->pwl;
874 		else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
875 			cm_helper_translate_curve_to_hw_format(
876 					plane_state->blend_tf,
877 					&dpp_base->regamma_params, false);
878 			blend_lut = &dpp_base->regamma_params;
879 		}
880 	}
881 	result = dpp_base->funcs->dpp_program_blnd_lut(dpp_base, blend_lut);
882 
883 	return result;
884 }
885 
886 bool dcn20_set_shaper_3dlut(
887 	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
888 {
889 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
890 	bool result = true;
891 	struct pwl_params *shaper_lut = NULL;
892 
893 	if (plane_state->in_shaper_func) {
894 		if (plane_state->in_shaper_func->type == TF_TYPE_HWPWL)
895 			shaper_lut = &plane_state->in_shaper_func->pwl;
896 		else if (plane_state->in_shaper_func->type == TF_TYPE_DISTRIBUTED_POINTS) {
897 			cm_helper_translate_curve_to_hw_format(
898 					plane_state->in_shaper_func,
899 					&dpp_base->shaper_params, true);
900 			shaper_lut = &dpp_base->shaper_params;
901 		}
902 	}
903 
904 	result = dpp_base->funcs->dpp_program_shaper_lut(dpp_base, shaper_lut);
905 	if (plane_state->lut3d_func &&
906 		plane_state->lut3d_func->state.bits.initialized == 1)
907 		result = dpp_base->funcs->dpp_program_3dlut(dpp_base,
908 								&plane_state->lut3d_func->lut_3d);
909 	else
910 		result = dpp_base->funcs->dpp_program_3dlut(dpp_base, NULL);
911 
912 	return result;
913 }
914 
915 bool dcn20_set_input_transfer_func(struct dc *dc,
916 				struct pipe_ctx *pipe_ctx,
917 				const struct dc_plane_state *plane_state)
918 {
919 	struct dce_hwseq *hws = dc->hwseq;
920 	struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
921 	const struct dc_transfer_func *tf = NULL;
922 	bool result = true;
923 	bool use_degamma_ram = false;
924 
925 	if (dpp_base == NULL || plane_state == NULL)
926 		return false;
927 
928 	hws->funcs.set_shaper_3dlut(pipe_ctx, plane_state);
929 	hws->funcs.set_blend_lut(pipe_ctx, plane_state);
930 
931 	if (plane_state->in_transfer_func)
932 		tf = plane_state->in_transfer_func;
933 
934 
935 	if (tf == NULL) {
936 		dpp_base->funcs->dpp_set_degamma(dpp_base,
937 				IPP_DEGAMMA_MODE_BYPASS);
938 		return true;
939 	}
940 
941 	if (tf->type == TF_TYPE_HWPWL || tf->type == TF_TYPE_DISTRIBUTED_POINTS)
942 		use_degamma_ram = true;
943 
944 	if (use_degamma_ram == true) {
945 		if (tf->type == TF_TYPE_HWPWL)
946 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base,
947 					&tf->pwl);
948 		else if (tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
949 			cm_helper_translate_curve_to_degamma_hw_format(tf,
950 					&dpp_base->degamma_params);
951 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base,
952 				&dpp_base->degamma_params);
953 		}
954 		return true;
955 	}
956 	/* handle here the optimized cases when de-gamma ROM could be used.
957 	 *
958 	 */
959 	if (tf->type == TF_TYPE_PREDEFINED) {
960 		switch (tf->tf) {
961 		case TRANSFER_FUNCTION_SRGB:
962 			dpp_base->funcs->dpp_set_degamma(dpp_base,
963 					IPP_DEGAMMA_MODE_HW_sRGB);
964 			break;
965 		case TRANSFER_FUNCTION_BT709:
966 			dpp_base->funcs->dpp_set_degamma(dpp_base,
967 					IPP_DEGAMMA_MODE_HW_xvYCC);
968 			break;
969 		case TRANSFER_FUNCTION_LINEAR:
970 			dpp_base->funcs->dpp_set_degamma(dpp_base,
971 					IPP_DEGAMMA_MODE_BYPASS);
972 			break;
973 		case TRANSFER_FUNCTION_PQ:
974 			dpp_base->funcs->dpp_set_degamma(dpp_base, IPP_DEGAMMA_MODE_USER_PWL);
975 			cm_helper_translate_curve_to_degamma_hw_format(tf, &dpp_base->degamma_params);
976 			dpp_base->funcs->dpp_program_degamma_pwl(dpp_base, &dpp_base->degamma_params);
977 			result = true;
978 			break;
979 		default:
980 			result = false;
981 			break;
982 		}
983 	} else if (tf->type == TF_TYPE_BYPASS)
984 		dpp_base->funcs->dpp_set_degamma(dpp_base,
985 				IPP_DEGAMMA_MODE_BYPASS);
986 	else {
987 		/*
988 		 * if we are here, we did not handle correctly.
989 		 * fix is required for this use case
990 		 */
991 		BREAK_TO_DEBUGGER();
992 		dpp_base->funcs->dpp_set_degamma(dpp_base,
993 				IPP_DEGAMMA_MODE_BYPASS);
994 	}
995 
996 	return result;
997 }
998 
999 void dcn20_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx)
1000 {
1001 	struct pipe_ctx *odm_pipe;
1002 	int opp_cnt = 1;
1003 	int opp_inst[MAX_PIPES] = { pipe_ctx->stream_res.opp->inst };
1004 
1005 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1006 		opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
1007 		opp_cnt++;
1008 	}
1009 
1010 	if (opp_cnt > 1)
1011 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
1012 				pipe_ctx->stream_res.tg,
1013 				opp_inst, opp_cnt,
1014 				&pipe_ctx->stream->timing);
1015 	else
1016 		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
1017 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
1018 }
1019 
1020 void dcn20_blank_pixel_data(
1021 		struct dc *dc,
1022 		struct pipe_ctx *pipe_ctx,
1023 		bool blank)
1024 {
1025 	struct tg_color black_color = {0};
1026 	struct stream_resource *stream_res = &pipe_ctx->stream_res;
1027 	struct dc_stream_state *stream = pipe_ctx->stream;
1028 	enum dc_color_space color_space = stream->output_color_space;
1029 	enum controller_dp_test_pattern test_pattern = CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR;
1030 	enum controller_dp_color_space test_pattern_color_space = CONTROLLER_DP_COLOR_SPACE_UDEFINED;
1031 	struct pipe_ctx *odm_pipe;
1032 	int odm_cnt = 1;
1033 
1034 	int width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
1035 	int height = stream->timing.v_addressable + stream->timing.v_border_bottom + stream->timing.v_border_top;
1036 
1037 	if (stream->link->test_pattern_enabled)
1038 		return;
1039 
1040 	/* get opp dpg blank color */
1041 	color_space_to_black_color(dc, color_space, &black_color);
1042 
1043 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
1044 		odm_cnt++;
1045 
1046 	width = width / odm_cnt;
1047 
1048 	if (blank) {
1049 		dc->hwss.set_abm_immediate_disable(pipe_ctx);
1050 
1051 		if (dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) {
1052 			test_pattern = CONTROLLER_DP_TEST_PATTERN_COLORSQUARES;
1053 			test_pattern_color_space = CONTROLLER_DP_COLOR_SPACE_RGB;
1054 		}
1055 	} else {
1056 		test_pattern = CONTROLLER_DP_TEST_PATTERN_VIDEOMODE;
1057 	}
1058 
1059 	dc->hwss.set_disp_pattern_generator(dc,
1060 			pipe_ctx,
1061 			test_pattern,
1062 			test_pattern_color_space,
1063 			stream->timing.display_color_depth,
1064 			&black_color,
1065 			width,
1066 			height,
1067 			0);
1068 
1069 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
1070 		dc->hwss.set_disp_pattern_generator(dc,
1071 				odm_pipe,
1072 				dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE && blank ?
1073 						CONTROLLER_DP_TEST_PATTERN_COLORRAMP : test_pattern,
1074 				test_pattern_color_space,
1075 				stream->timing.display_color_depth,
1076 				&black_color,
1077 				width,
1078 				height,
1079 				0);
1080 	}
1081 
1082 	if (!blank && dc->debug.enable_single_display_2to1_odm_policy) {
1083 		/* when exiting dynamic ODM need to reinit DPG state for unused pipes */
1084 		struct pipe_ctx *old_odm_pipe = dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx].next_odm_pipe;
1085 
1086 		odm_pipe = pipe_ctx->next_odm_pipe;
1087 
1088 		while (old_odm_pipe) {
1089 			if (!odm_pipe || old_odm_pipe->pipe_idx != odm_pipe->pipe_idx)
1090 				dc->hwss.set_disp_pattern_generator(dc,
1091 						old_odm_pipe,
1092 						CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
1093 						CONTROLLER_DP_COLOR_SPACE_UDEFINED,
1094 						COLOR_DEPTH_888,
1095 						NULL,
1096 						0,
1097 						0,
1098 						0);
1099 			old_odm_pipe = old_odm_pipe->next_odm_pipe;
1100 			if (odm_pipe)
1101 				odm_pipe = odm_pipe->next_odm_pipe;
1102 		}
1103 	}
1104 
1105 	if (!blank)
1106 		if (stream_res->abm) {
1107 			dc->hwss.set_pipe(pipe_ctx);
1108 			stream_res->abm->funcs->set_abm_level(stream_res->abm, stream->abm_level);
1109 		}
1110 }
1111 
1112 
1113 static void dcn20_power_on_plane(
1114 	struct dce_hwseq *hws,
1115 	struct pipe_ctx *pipe_ctx)
1116 {
1117 	DC_LOGGER_INIT(hws->ctx->logger);
1118 	if (REG(DC_IP_REQUEST_CNTL)) {
1119 		REG_SET(DC_IP_REQUEST_CNTL, 0,
1120 				IP_REQUEST_EN, 1);
1121 
1122 		if (hws->funcs.dpp_pg_control)
1123 			hws->funcs.dpp_pg_control(hws, pipe_ctx->plane_res.dpp->inst, true);
1124 
1125 		if (hws->funcs.hubp_pg_control)
1126 			hws->funcs.hubp_pg_control(hws, pipe_ctx->plane_res.hubp->inst, true);
1127 
1128 		REG_SET(DC_IP_REQUEST_CNTL, 0,
1129 				IP_REQUEST_EN, 0);
1130 		DC_LOG_DEBUG(
1131 				"Un-gated front end for pipe %d\n", pipe_ctx->plane_res.hubp->inst);
1132 	}
1133 }
1134 
1135 static void dcn20_enable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx,
1136 			       struct dc_state *context)
1137 {
1138 	//if (dc->debug.sanity_checks) {
1139 	//	dcn10_verify_allow_pstate_change_high(dc);
1140 	//}
1141 	dcn20_power_on_plane(dc->hwseq, pipe_ctx);
1142 
1143 	/* enable DCFCLK current DCHUB */
1144 	pipe_ctx->plane_res.hubp->funcs->hubp_clk_cntl(pipe_ctx->plane_res.hubp, true);
1145 
1146 	/* initialize HUBP on power up */
1147 	pipe_ctx->plane_res.hubp->funcs->hubp_init(pipe_ctx->plane_res.hubp);
1148 
1149 	/* make sure OPP_PIPE_CLOCK_EN = 1 */
1150 	pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
1151 			pipe_ctx->stream_res.opp,
1152 			true);
1153 
1154 /* TODO: enable/disable in dm as per update type.
1155 	if (plane_state) {
1156 		DC_LOG_DC(dc->ctx->logger,
1157 				"Pipe:%d 0x%x: addr hi:0x%x, "
1158 				"addr low:0x%x, "
1159 				"src: %d, %d, %d,"
1160 				" %d; dst: %d, %d, %d, %d;\n",
1161 				pipe_ctx->pipe_idx,
1162 				plane_state,
1163 				plane_state->address.grph.addr.high_part,
1164 				plane_state->address.grph.addr.low_part,
1165 				plane_state->src_rect.x,
1166 				plane_state->src_rect.y,
1167 				plane_state->src_rect.width,
1168 				plane_state->src_rect.height,
1169 				plane_state->dst_rect.x,
1170 				plane_state->dst_rect.y,
1171 				plane_state->dst_rect.width,
1172 				plane_state->dst_rect.height);
1173 
1174 		DC_LOG_DC(dc->ctx->logger,
1175 				"Pipe %d: width, height, x, y         format:%d\n"
1176 				"viewport:%d, %d, %d, %d\n"
1177 				"recout:  %d, %d, %d, %d\n",
1178 				pipe_ctx->pipe_idx,
1179 				plane_state->format,
1180 				pipe_ctx->plane_res.scl_data.viewport.width,
1181 				pipe_ctx->plane_res.scl_data.viewport.height,
1182 				pipe_ctx->plane_res.scl_data.viewport.x,
1183 				pipe_ctx->plane_res.scl_data.viewport.y,
1184 				pipe_ctx->plane_res.scl_data.recout.width,
1185 				pipe_ctx->plane_res.scl_data.recout.height,
1186 				pipe_ctx->plane_res.scl_data.recout.x,
1187 				pipe_ctx->plane_res.scl_data.recout.y);
1188 		print_rq_dlg_ttu(dc, pipe_ctx);
1189 	}
1190 */
1191 	if (dc->vm_pa_config.valid) {
1192 		struct vm_system_aperture_param apt;
1193 
1194 		apt.sys_default.quad_part = 0;
1195 
1196 		apt.sys_low.quad_part = dc->vm_pa_config.system_aperture.start_addr;
1197 		apt.sys_high.quad_part = dc->vm_pa_config.system_aperture.end_addr;
1198 
1199 		// Program system aperture settings
1200 		pipe_ctx->plane_res.hubp->funcs->hubp_set_vm_system_aperture_settings(pipe_ctx->plane_res.hubp, &apt);
1201 	}
1202 
1203 	if (!pipe_ctx->top_pipe
1204 		&& pipe_ctx->plane_state
1205 		&& pipe_ctx->plane_state->flip_int_enabled
1206 		&& pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_int)
1207 			pipe_ctx->plane_res.hubp->funcs->hubp_set_flip_int(pipe_ctx->plane_res.hubp);
1208 
1209 //	if (dc->debug.sanity_checks) {
1210 //		dcn10_verify_allow_pstate_change_high(dc);
1211 //	}
1212 }
1213 
1214 void dcn20_pipe_control_lock(
1215 	struct dc *dc,
1216 	struct pipe_ctx *pipe,
1217 	bool lock)
1218 {
1219 	struct pipe_ctx *temp_pipe;
1220 	bool flip_immediate = false;
1221 
1222 	/* use TG master update lock to lock everything on the TG
1223 	 * therefore only top pipe need to lock
1224 	 */
1225 	if (!pipe || pipe->top_pipe)
1226 		return;
1227 
1228 	if (pipe->plane_state != NULL)
1229 		flip_immediate = pipe->plane_state->flip_immediate;
1230 
1231 	if  (pipe->stream_res.gsl_group > 0) {
1232 	    temp_pipe = pipe->bottom_pipe;
1233 	    while (!flip_immediate && temp_pipe) {
1234 		    if (temp_pipe->plane_state != NULL)
1235 			    flip_immediate = temp_pipe->plane_state->flip_immediate;
1236 		    temp_pipe = temp_pipe->bottom_pipe;
1237 	    }
1238 	}
1239 
1240 	if (flip_immediate && lock) {
1241 		const int TIMEOUT_FOR_FLIP_PENDING = 100000;
1242 		int i;
1243 
1244 		temp_pipe = pipe;
1245 		while (temp_pipe) {
1246 			if (temp_pipe->plane_state && temp_pipe->plane_state->flip_immediate) {
1247 				for (i = 0; i < TIMEOUT_FOR_FLIP_PENDING; ++i) {
1248 					if (!temp_pipe->plane_res.hubp->funcs->hubp_is_flip_pending(temp_pipe->plane_res.hubp))
1249 						break;
1250 					udelay(1);
1251 				}
1252 
1253 				/* no reason it should take this long for immediate flips */
1254 				ASSERT(i != TIMEOUT_FOR_FLIP_PENDING);
1255 			}
1256 			temp_pipe = temp_pipe->bottom_pipe;
1257 		}
1258 	}
1259 
1260 	/* In flip immediate and pipe splitting case, we need to use GSL
1261 	 * for synchronization. Only do setup on locking and on flip type change.
1262 	 */
1263 	if (lock && (pipe->bottom_pipe != NULL || !flip_immediate))
1264 		if ((flip_immediate && pipe->stream_res.gsl_group == 0) ||
1265 		    (!flip_immediate && pipe->stream_res.gsl_group > 0))
1266 			dcn20_setup_gsl_group_as_lock(dc, pipe, flip_immediate);
1267 
1268 	if (pipe->plane_state != NULL)
1269 		flip_immediate = pipe->plane_state->flip_immediate;
1270 
1271 	temp_pipe = pipe->bottom_pipe;
1272 	while (flip_immediate && temp_pipe) {
1273 	    if (temp_pipe->plane_state != NULL)
1274 		flip_immediate = temp_pipe->plane_state->flip_immediate;
1275 	    temp_pipe = temp_pipe->bottom_pipe;
1276 	}
1277 
1278 	if (!lock && pipe->stream_res.gsl_group > 0 && pipe->plane_state &&
1279 		!flip_immediate)
1280 	    dcn20_setup_gsl_group_as_lock(dc, pipe, false);
1281 
1282 	if (pipe->stream && should_use_dmub_lock(pipe->stream->link)) {
1283 		union dmub_hw_lock_flags hw_locks = { 0 };
1284 		struct dmub_hw_lock_inst_flags inst_flags = { 0 };
1285 
1286 		hw_locks.bits.lock_pipe = 1;
1287 		inst_flags.otg_inst =  pipe->stream_res.tg->inst;
1288 
1289 		if (pipe->plane_state != NULL)
1290 			hw_locks.bits.triple_buffer_lock = pipe->plane_state->triplebuffer_flips;
1291 
1292 		dmub_hw_lock_mgr_cmd(dc->ctx->dmub_srv,
1293 					lock,
1294 					&hw_locks,
1295 					&inst_flags);
1296 	} else if (pipe->plane_state != NULL && pipe->plane_state->triplebuffer_flips) {
1297 		if (lock)
1298 			pipe->stream_res.tg->funcs->triplebuffer_lock(pipe->stream_res.tg);
1299 		else
1300 			pipe->stream_res.tg->funcs->triplebuffer_unlock(pipe->stream_res.tg);
1301 	} else {
1302 		if (lock)
1303 			pipe->stream_res.tg->funcs->lock(pipe->stream_res.tg);
1304 		else
1305 			pipe->stream_res.tg->funcs->unlock(pipe->stream_res.tg);
1306 	}
1307 }
1308 
1309 static void dcn20_detect_pipe_changes(struct pipe_ctx *old_pipe, struct pipe_ctx *new_pipe)
1310 {
1311 	new_pipe->update_flags.raw = 0;
1312 
1313 	/* If non-phantom pipe is being transitioned to a phantom pipe,
1314 	 * set disable and return immediately. This is because the pipe
1315 	 * that was previously in use must be fully disabled before we
1316 	 * can "enable" it as a phantom pipe (since the OTG will certainly
1317 	 * be different). The post_unlock sequence will set the correct
1318 	 * update flags to enable the phantom pipe.
1319 	 */
1320 	if (old_pipe->plane_state && !old_pipe->plane_state->is_phantom &&
1321 			new_pipe->plane_state && new_pipe->plane_state->is_phantom) {
1322 		new_pipe->update_flags.bits.disable = 1;
1323 		return;
1324 	}
1325 
1326 	/* Exit on unchanged, unused pipe */
1327 	if (!old_pipe->plane_state && !new_pipe->plane_state)
1328 		return;
1329 	/* Detect pipe enable/disable */
1330 	if (!old_pipe->plane_state && new_pipe->plane_state) {
1331 		new_pipe->update_flags.bits.enable = 1;
1332 		new_pipe->update_flags.bits.mpcc = 1;
1333 		new_pipe->update_flags.bits.dppclk = 1;
1334 		new_pipe->update_flags.bits.hubp_interdependent = 1;
1335 		new_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1336 		new_pipe->update_flags.bits.gamut_remap = 1;
1337 		new_pipe->update_flags.bits.scaler = 1;
1338 		new_pipe->update_flags.bits.viewport = 1;
1339 		new_pipe->update_flags.bits.det_size = 1;
1340 		if (!new_pipe->top_pipe && !new_pipe->prev_odm_pipe) {
1341 			new_pipe->update_flags.bits.odm = 1;
1342 			new_pipe->update_flags.bits.global_sync = 1;
1343 		}
1344 		return;
1345 	}
1346 
1347 	/* For SubVP we need to unconditionally enable because any phantom pipes are
1348 	 * always removed then newly added for every full updates whenever SubVP is in use.
1349 	 * The remove-add sequence of the phantom pipe always results in the pipe
1350 	 * being blanked in enable_stream_timing (DPG).
1351 	 */
1352 	if (new_pipe->stream && new_pipe->stream->mall_stream_config.type == SUBVP_PHANTOM)
1353 		new_pipe->update_flags.bits.enable = 1;
1354 
1355 	/* Phantom pipes are effectively disabled, if the pipe was previously phantom
1356 	 * we have to enable
1357 	 */
1358 	if (old_pipe->plane_state && old_pipe->plane_state->is_phantom &&
1359 			new_pipe->plane_state && !new_pipe->plane_state->is_phantom)
1360 		new_pipe->update_flags.bits.enable = 1;
1361 
1362 	if (old_pipe->plane_state && !new_pipe->plane_state) {
1363 		new_pipe->update_flags.bits.disable = 1;
1364 		return;
1365 	}
1366 
1367 	/* Detect plane change */
1368 	if (old_pipe->plane_state != new_pipe->plane_state) {
1369 		new_pipe->update_flags.bits.plane_changed = true;
1370 	}
1371 
1372 	/* Detect top pipe only changes */
1373 	if (!new_pipe->top_pipe && !new_pipe->prev_odm_pipe) {
1374 		/* Detect odm changes */
1375 		if ((old_pipe->next_odm_pipe && new_pipe->next_odm_pipe
1376 			&& old_pipe->next_odm_pipe->pipe_idx != new_pipe->next_odm_pipe->pipe_idx)
1377 				|| (!old_pipe->next_odm_pipe && new_pipe->next_odm_pipe)
1378 				|| (old_pipe->next_odm_pipe && !new_pipe->next_odm_pipe)
1379 				|| old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1380 			new_pipe->update_flags.bits.odm = 1;
1381 
1382 		/* Detect global sync changes */
1383 		if (old_pipe->pipe_dlg_param.vready_offset != new_pipe->pipe_dlg_param.vready_offset
1384 				|| old_pipe->pipe_dlg_param.vstartup_start != new_pipe->pipe_dlg_param.vstartup_start
1385 				|| old_pipe->pipe_dlg_param.vupdate_offset != new_pipe->pipe_dlg_param.vupdate_offset
1386 				|| old_pipe->pipe_dlg_param.vupdate_width != new_pipe->pipe_dlg_param.vupdate_width)
1387 			new_pipe->update_flags.bits.global_sync = 1;
1388 	}
1389 
1390 	if (old_pipe->det_buffer_size_kb != new_pipe->det_buffer_size_kb)
1391 		new_pipe->update_flags.bits.det_size = 1;
1392 
1393 	/*
1394 	 * Detect opp / tg change, only set on change, not on enable
1395 	 * Assume mpcc inst = pipe index, if not this code needs to be updated
1396 	 * since mpcc is what is affected by these. In fact all of our sequence
1397 	 * makes this assumption at the moment with how hubp reset is matched to
1398 	 * same index mpcc reset.
1399 	 */
1400 	if (old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1401 		new_pipe->update_flags.bits.opp_changed = 1;
1402 	if (old_pipe->stream_res.tg != new_pipe->stream_res.tg)
1403 		new_pipe->update_flags.bits.tg_changed = 1;
1404 
1405 	/*
1406 	 * Detect mpcc blending changes, only dpp inst and opp matter here,
1407 	 * mpccs getting removed/inserted update connected ones during their own
1408 	 * programming
1409 	 */
1410 	if (old_pipe->plane_res.dpp != new_pipe->plane_res.dpp
1411 			|| old_pipe->stream_res.opp != new_pipe->stream_res.opp)
1412 		new_pipe->update_flags.bits.mpcc = 1;
1413 
1414 	/* Detect dppclk change */
1415 	if (old_pipe->plane_res.bw.dppclk_khz != new_pipe->plane_res.bw.dppclk_khz)
1416 		new_pipe->update_flags.bits.dppclk = 1;
1417 
1418 	/* Check for scl update */
1419 	if (memcmp(&old_pipe->plane_res.scl_data, &new_pipe->plane_res.scl_data, sizeof(struct scaler_data)))
1420 			new_pipe->update_flags.bits.scaler = 1;
1421 	/* Check for vp update */
1422 	if (memcmp(&old_pipe->plane_res.scl_data.viewport, &new_pipe->plane_res.scl_data.viewport, sizeof(struct rect))
1423 			|| memcmp(&old_pipe->plane_res.scl_data.viewport_c,
1424 				&new_pipe->plane_res.scl_data.viewport_c, sizeof(struct rect)))
1425 		new_pipe->update_flags.bits.viewport = 1;
1426 
1427 	/* Detect dlg/ttu/rq updates */
1428 	{
1429 		struct _vcs_dpi_display_dlg_regs_st old_dlg_attr = old_pipe->dlg_regs;
1430 		struct _vcs_dpi_display_ttu_regs_st old_ttu_attr = old_pipe->ttu_regs;
1431 		struct _vcs_dpi_display_dlg_regs_st *new_dlg_attr = &new_pipe->dlg_regs;
1432 		struct _vcs_dpi_display_ttu_regs_st *new_ttu_attr = &new_pipe->ttu_regs;
1433 
1434 		/* Detect pipe interdependent updates */
1435 		if (old_dlg_attr.dst_y_prefetch != new_dlg_attr->dst_y_prefetch ||
1436 				old_dlg_attr.vratio_prefetch != new_dlg_attr->vratio_prefetch ||
1437 				old_dlg_attr.vratio_prefetch_c != new_dlg_attr->vratio_prefetch_c ||
1438 				old_dlg_attr.dst_y_per_vm_vblank != new_dlg_attr->dst_y_per_vm_vblank ||
1439 				old_dlg_attr.dst_y_per_row_vblank != new_dlg_attr->dst_y_per_row_vblank ||
1440 				old_dlg_attr.dst_y_per_vm_flip != new_dlg_attr->dst_y_per_vm_flip ||
1441 				old_dlg_attr.dst_y_per_row_flip != new_dlg_attr->dst_y_per_row_flip ||
1442 				old_dlg_attr.refcyc_per_meta_chunk_vblank_l != new_dlg_attr->refcyc_per_meta_chunk_vblank_l ||
1443 				old_dlg_attr.refcyc_per_meta_chunk_vblank_c != new_dlg_attr->refcyc_per_meta_chunk_vblank_c ||
1444 				old_dlg_attr.refcyc_per_meta_chunk_flip_l != new_dlg_attr->refcyc_per_meta_chunk_flip_l ||
1445 				old_dlg_attr.refcyc_per_line_delivery_pre_l != new_dlg_attr->refcyc_per_line_delivery_pre_l ||
1446 				old_dlg_attr.refcyc_per_line_delivery_pre_c != new_dlg_attr->refcyc_per_line_delivery_pre_c ||
1447 				old_ttu_attr.refcyc_per_req_delivery_pre_l != new_ttu_attr->refcyc_per_req_delivery_pre_l ||
1448 				old_ttu_attr.refcyc_per_req_delivery_pre_c != new_ttu_attr->refcyc_per_req_delivery_pre_c ||
1449 				old_ttu_attr.refcyc_per_req_delivery_pre_cur0 != new_ttu_attr->refcyc_per_req_delivery_pre_cur0 ||
1450 				old_ttu_attr.refcyc_per_req_delivery_pre_cur1 != new_ttu_attr->refcyc_per_req_delivery_pre_cur1 ||
1451 				old_ttu_attr.min_ttu_vblank != new_ttu_attr->min_ttu_vblank ||
1452 				old_ttu_attr.qos_level_flip != new_ttu_attr->qos_level_flip) {
1453 			old_dlg_attr.dst_y_prefetch = new_dlg_attr->dst_y_prefetch;
1454 			old_dlg_attr.vratio_prefetch = new_dlg_attr->vratio_prefetch;
1455 			old_dlg_attr.vratio_prefetch_c = new_dlg_attr->vratio_prefetch_c;
1456 			old_dlg_attr.dst_y_per_vm_vblank = new_dlg_attr->dst_y_per_vm_vblank;
1457 			old_dlg_attr.dst_y_per_row_vblank = new_dlg_attr->dst_y_per_row_vblank;
1458 			old_dlg_attr.dst_y_per_vm_flip = new_dlg_attr->dst_y_per_vm_flip;
1459 			old_dlg_attr.dst_y_per_row_flip = new_dlg_attr->dst_y_per_row_flip;
1460 			old_dlg_attr.refcyc_per_meta_chunk_vblank_l = new_dlg_attr->refcyc_per_meta_chunk_vblank_l;
1461 			old_dlg_attr.refcyc_per_meta_chunk_vblank_c = new_dlg_attr->refcyc_per_meta_chunk_vblank_c;
1462 			old_dlg_attr.refcyc_per_meta_chunk_flip_l = new_dlg_attr->refcyc_per_meta_chunk_flip_l;
1463 			old_dlg_attr.refcyc_per_line_delivery_pre_l = new_dlg_attr->refcyc_per_line_delivery_pre_l;
1464 			old_dlg_attr.refcyc_per_line_delivery_pre_c = new_dlg_attr->refcyc_per_line_delivery_pre_c;
1465 			old_ttu_attr.refcyc_per_req_delivery_pre_l = new_ttu_attr->refcyc_per_req_delivery_pre_l;
1466 			old_ttu_attr.refcyc_per_req_delivery_pre_c = new_ttu_attr->refcyc_per_req_delivery_pre_c;
1467 			old_ttu_attr.refcyc_per_req_delivery_pre_cur0 = new_ttu_attr->refcyc_per_req_delivery_pre_cur0;
1468 			old_ttu_attr.refcyc_per_req_delivery_pre_cur1 = new_ttu_attr->refcyc_per_req_delivery_pre_cur1;
1469 			old_ttu_attr.min_ttu_vblank = new_ttu_attr->min_ttu_vblank;
1470 			old_ttu_attr.qos_level_flip = new_ttu_attr->qos_level_flip;
1471 			new_pipe->update_flags.bits.hubp_interdependent = 1;
1472 		}
1473 		/* Detect any other updates to ttu/rq/dlg */
1474 		if (memcmp(&old_dlg_attr, &new_pipe->dlg_regs, sizeof(old_dlg_attr)) ||
1475 				memcmp(&old_ttu_attr, &new_pipe->ttu_regs, sizeof(old_ttu_attr)) ||
1476 				memcmp(&old_pipe->rq_regs, &new_pipe->rq_regs, sizeof(old_pipe->rq_regs)))
1477 			new_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
1478 	}
1479 }
1480 
1481 static void dcn20_update_dchubp_dpp(
1482 	struct dc *dc,
1483 	struct pipe_ctx *pipe_ctx,
1484 	struct dc_state *context)
1485 {
1486 	struct dce_hwseq *hws = dc->hwseq;
1487 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
1488 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
1489 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
1490 	struct dccg *dccg = dc->res_pool->dccg;
1491 	bool viewport_changed = false;
1492 
1493 	if (pipe_ctx->update_flags.bits.dppclk)
1494 		dpp->funcs->dpp_dppclk_control(dpp, false, true);
1495 
1496 	if (pipe_ctx->update_flags.bits.enable)
1497 		dccg->funcs->update_dpp_dto(dccg, dpp->inst, pipe_ctx->plane_res.bw.dppclk_khz);
1498 
1499 	/* TODO: Need input parameter to tell current DCHUB pipe tie to which OTG
1500 	 * VTG is within DCHUBBUB which is commond block share by each pipe HUBP.
1501 	 * VTG is 1:1 mapping with OTG. Each pipe HUBP will select which VTG
1502 	 */
1503 	if (pipe_ctx->update_flags.bits.hubp_rq_dlg_ttu) {
1504 		hubp->funcs->hubp_vtg_sel(hubp, pipe_ctx->stream_res.tg->inst);
1505 
1506 		hubp->funcs->hubp_setup(
1507 			hubp,
1508 			&pipe_ctx->dlg_regs,
1509 			&pipe_ctx->ttu_regs,
1510 			&pipe_ctx->rq_regs,
1511 			&pipe_ctx->pipe_dlg_param);
1512 
1513 		if (hubp->funcs->set_unbounded_requesting)
1514 			hubp->funcs->set_unbounded_requesting(hubp, pipe_ctx->unbounded_req);
1515 	}
1516 	if (pipe_ctx->update_flags.bits.hubp_interdependent)
1517 		hubp->funcs->hubp_setup_interdependent(
1518 			hubp,
1519 			&pipe_ctx->dlg_regs,
1520 			&pipe_ctx->ttu_regs);
1521 
1522 	if (pipe_ctx->update_flags.bits.enable ||
1523 			pipe_ctx->update_flags.bits.plane_changed ||
1524 			plane_state->update_flags.bits.bpp_change ||
1525 			plane_state->update_flags.bits.input_csc_change ||
1526 			plane_state->update_flags.bits.color_space_change ||
1527 			plane_state->update_flags.bits.coeff_reduction_change) {
1528 		struct dc_bias_and_scale bns_params = {0};
1529 
1530 		// program the input csc
1531 		dpp->funcs->dpp_setup(dpp,
1532 				plane_state->format,
1533 				EXPANSION_MODE_ZERO,
1534 				plane_state->input_csc_color_matrix,
1535 				plane_state->color_space,
1536 				NULL);
1537 
1538 		if (dpp->funcs->dpp_program_bias_and_scale) {
1539 			//TODO :for CNVC set scale and bias registers if necessary
1540 			build_prescale_params(&bns_params, plane_state);
1541 			dpp->funcs->dpp_program_bias_and_scale(dpp, &bns_params);
1542 		}
1543 	}
1544 
1545 	if (pipe_ctx->update_flags.bits.mpcc
1546 			|| pipe_ctx->update_flags.bits.plane_changed
1547 			|| plane_state->update_flags.bits.global_alpha_change
1548 			|| plane_state->update_flags.bits.per_pixel_alpha_change) {
1549 		// MPCC inst is equal to pipe index in practice
1550 		int mpcc_inst = hubp->inst;
1551 		int opp_inst;
1552 		int opp_count = dc->res_pool->pipe_count;
1553 
1554 		for (opp_inst = 0; opp_inst < opp_count; opp_inst++) {
1555 			if (dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst]) {
1556 				dc->res_pool->mpc->funcs->wait_for_idle(dc->res_pool->mpc, mpcc_inst);
1557 				dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst] = false;
1558 				break;
1559 			}
1560 		}
1561 		hws->funcs.update_mpcc(dc, pipe_ctx);
1562 	}
1563 
1564 	if (pipe_ctx->update_flags.bits.scaler ||
1565 			plane_state->update_flags.bits.scaling_change ||
1566 			plane_state->update_flags.bits.position_change ||
1567 			plane_state->update_flags.bits.per_pixel_alpha_change ||
1568 			pipe_ctx->stream->update_flags.bits.scaling) {
1569 		pipe_ctx->plane_res.scl_data.lb_params.alpha_en = pipe_ctx->plane_state->per_pixel_alpha;
1570 		ASSERT(pipe_ctx->plane_res.scl_data.lb_params.depth == LB_PIXEL_DEPTH_36BPP);
1571 		/* scaler configuration */
1572 		pipe_ctx->plane_res.dpp->funcs->dpp_set_scaler(
1573 				pipe_ctx->plane_res.dpp, &pipe_ctx->plane_res.scl_data);
1574 	}
1575 
1576 	if (pipe_ctx->update_flags.bits.viewport ||
1577 			(context == dc->current_state && plane_state->update_flags.bits.position_change) ||
1578 			(context == dc->current_state && plane_state->update_flags.bits.scaling_change) ||
1579 			(context == dc->current_state && pipe_ctx->stream->update_flags.bits.scaling)) {
1580 
1581 		hubp->funcs->mem_program_viewport(
1582 			hubp,
1583 			&pipe_ctx->plane_res.scl_data.viewport,
1584 			&pipe_ctx->plane_res.scl_data.viewport_c);
1585 		viewport_changed = true;
1586 	}
1587 
1588 	/* Any updates are handled in dc interface, just need to apply existing for plane enable */
1589 	if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed ||
1590 			pipe_ctx->update_flags.bits.scaler || viewport_changed == true) &&
1591 			pipe_ctx->stream->cursor_attributes.address.quad_part != 0) {
1592 		dc->hwss.set_cursor_position(pipe_ctx);
1593 		dc->hwss.set_cursor_attribute(pipe_ctx);
1594 
1595 		if (dc->hwss.set_cursor_sdr_white_level)
1596 			dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
1597 	}
1598 
1599 	/* Any updates are handled in dc interface, just need
1600 	 * to apply existing for plane enable / opp change */
1601 	if (pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed
1602 			|| pipe_ctx->update_flags.bits.plane_changed
1603 			|| pipe_ctx->stream->update_flags.bits.gamut_remap
1604 			|| pipe_ctx->stream->update_flags.bits.out_csc) {
1605 		/* dpp/cm gamut remap*/
1606 		dc->hwss.program_gamut_remap(pipe_ctx);
1607 
1608 		/*call the dcn2 method which uses mpc csc*/
1609 		dc->hwss.program_output_csc(dc,
1610 				pipe_ctx,
1611 				pipe_ctx->stream->output_color_space,
1612 				pipe_ctx->stream->csc_color_matrix.matrix,
1613 				hubp->opp_id);
1614 	}
1615 
1616 	if (pipe_ctx->update_flags.bits.enable ||
1617 			pipe_ctx->update_flags.bits.plane_changed ||
1618 			pipe_ctx->update_flags.bits.opp_changed ||
1619 			plane_state->update_flags.bits.pixel_format_change ||
1620 			plane_state->update_flags.bits.horizontal_mirror_change ||
1621 			plane_state->update_flags.bits.rotation_change ||
1622 			plane_state->update_flags.bits.swizzle_change ||
1623 			plane_state->update_flags.bits.dcc_change ||
1624 			plane_state->update_flags.bits.bpp_change ||
1625 			plane_state->update_flags.bits.scaling_change ||
1626 			plane_state->update_flags.bits.plane_size_change) {
1627 		struct plane_size size = plane_state->plane_size;
1628 
1629 		size.surface_size = pipe_ctx->plane_res.scl_data.viewport;
1630 		hubp->funcs->hubp_program_surface_config(
1631 			hubp,
1632 			plane_state->format,
1633 			&plane_state->tiling_info,
1634 			&size,
1635 			plane_state->rotation,
1636 			&plane_state->dcc,
1637 			plane_state->horizontal_mirror,
1638 			0);
1639 		hubp->power_gated = false;
1640 	}
1641 
1642 	if (pipe_ctx->update_flags.bits.enable ||
1643 		pipe_ctx->update_flags.bits.plane_changed ||
1644 		plane_state->update_flags.bits.addr_update)
1645 		hws->funcs.update_plane_addr(dc, pipe_ctx);
1646 
1647 	if (pipe_ctx->update_flags.bits.enable)
1648 		hubp->funcs->set_blank(hubp, false);
1649 	/* If the stream paired with this plane is phantom, the plane is also phantom */
1650 	if (pipe_ctx->stream && pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM
1651 			&& hubp->funcs->phantom_hubp_post_enable)
1652 		hubp->funcs->phantom_hubp_post_enable(hubp);
1653 }
1654 
1655 static int calculate_vready_offset_for_group(struct pipe_ctx *pipe)
1656 {
1657 	struct pipe_ctx *other_pipe;
1658 	int vready_offset = pipe->pipe_dlg_param.vready_offset;
1659 
1660 	/* Always use the largest vready_offset of all connected pipes */
1661 	for (other_pipe = pipe->bottom_pipe; other_pipe != NULL; other_pipe = other_pipe->bottom_pipe) {
1662 		if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1663 			vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1664 	}
1665 	for (other_pipe = pipe->top_pipe; other_pipe != NULL; other_pipe = other_pipe->top_pipe) {
1666 		if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1667 			vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1668 	}
1669 	for (other_pipe = pipe->next_odm_pipe; other_pipe != NULL; other_pipe = other_pipe->next_odm_pipe) {
1670 		if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1671 			vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1672 	}
1673 	for (other_pipe = pipe->prev_odm_pipe; other_pipe != NULL; other_pipe = other_pipe->prev_odm_pipe) {
1674 		if (other_pipe->pipe_dlg_param.vready_offset > vready_offset)
1675 			vready_offset = other_pipe->pipe_dlg_param.vready_offset;
1676 	}
1677 
1678 	return vready_offset;
1679 }
1680 
1681 static void dcn20_program_pipe(
1682 		struct dc *dc,
1683 		struct pipe_ctx *pipe_ctx,
1684 		struct dc_state *context)
1685 {
1686 	struct dce_hwseq *hws = dc->hwseq;
1687 	/* Only need to unblank on top pipe */
1688 
1689 	if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->stream->update_flags.bits.abm_level)
1690 			&& !pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe)
1691 		hws->funcs.blank_pixel_data(dc, pipe_ctx, !pipe_ctx->plane_state->visible);
1692 
1693 	/* Only update TG on top pipe */
1694 	if (pipe_ctx->update_flags.bits.global_sync && !pipe_ctx->top_pipe
1695 			&& !pipe_ctx->prev_odm_pipe) {
1696 		pipe_ctx->stream_res.tg->funcs->program_global_sync(
1697 				pipe_ctx->stream_res.tg,
1698 				calculate_vready_offset_for_group(pipe_ctx),
1699 				pipe_ctx->pipe_dlg_param.vstartup_start,
1700 				pipe_ctx->pipe_dlg_param.vupdate_offset,
1701 				pipe_ctx->pipe_dlg_param.vupdate_width);
1702 
1703 		if (pipe_ctx->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1704 			pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK);
1705 			pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
1706 		}
1707 
1708 		pipe_ctx->stream_res.tg->funcs->set_vtg_params(
1709 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, true);
1710 
1711 		if (hws->funcs.setup_vupdate_interrupt)
1712 			hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx);
1713 	}
1714 
1715 	if (pipe_ctx->update_flags.bits.odm)
1716 		hws->funcs.update_odm(dc, context, pipe_ctx);
1717 
1718 	if (pipe_ctx->update_flags.bits.enable) {
1719 		dcn20_enable_plane(dc, pipe_ctx, context);
1720 		if (dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes)
1721 			dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes(dc->res_pool->hubbub);
1722 	}
1723 
1724 	if (dc->res_pool->hubbub->funcs->program_det_size && pipe_ctx->update_flags.bits.det_size)
1725 		dc->res_pool->hubbub->funcs->program_det_size(
1726 			dc->res_pool->hubbub, pipe_ctx->plane_res.hubp->inst, pipe_ctx->det_buffer_size_kb);
1727 
1728 	if (pipe_ctx->update_flags.raw || pipe_ctx->plane_state->update_flags.raw || pipe_ctx->stream->update_flags.raw)
1729 		dcn20_update_dchubp_dpp(dc, pipe_ctx, context);
1730 
1731 	if (pipe_ctx->update_flags.bits.enable
1732 			|| pipe_ctx->plane_state->update_flags.bits.hdr_mult)
1733 		hws->funcs.set_hdr_multiplier(pipe_ctx);
1734 
1735 	if (pipe_ctx->update_flags.bits.enable ||
1736 			pipe_ctx->plane_state->update_flags.bits.in_transfer_func_change ||
1737 			pipe_ctx->plane_state->update_flags.bits.gamma_change)
1738 		hws->funcs.set_input_transfer_func(dc, pipe_ctx, pipe_ctx->plane_state);
1739 
1740 	/* dcn10_translate_regamma_to_hw_format takes 750us to finish
1741 	 * only do gamma programming for powering on, internal memcmp to avoid
1742 	 * updating on slave planes
1743 	 */
1744 	if (pipe_ctx->update_flags.bits.enable ||
1745 			pipe_ctx->update_flags.bits.plane_changed ||
1746 			pipe_ctx->stream->update_flags.bits.out_tf ||
1747 			pipe_ctx->plane_state->update_flags.bits.output_tf_change)
1748 		hws->funcs.set_output_transfer_func(dc, pipe_ctx, pipe_ctx->stream);
1749 
1750 	/* If the pipe has been enabled or has a different opp, we
1751 	 * should reprogram the fmt. This deals with cases where
1752 	 * interation between mpc and odm combine on different streams
1753 	 * causes a different pipe to be chosen to odm combine with.
1754 	 */
1755 	if (pipe_ctx->update_flags.bits.enable
1756 	    || pipe_ctx->update_flags.bits.opp_changed) {
1757 
1758 		pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
1759 			pipe_ctx->stream_res.opp,
1760 			COLOR_SPACE_YCBCR601,
1761 			pipe_ctx->stream->timing.display_color_depth,
1762 			pipe_ctx->stream->signal);
1763 
1764 		pipe_ctx->stream_res.opp->funcs->opp_program_fmt(
1765 			pipe_ctx->stream_res.opp,
1766 			&pipe_ctx->stream->bit_depth_params,
1767 			&pipe_ctx->stream->clamping);
1768 	}
1769 }
1770 
1771 void dcn20_program_front_end_for_ctx(
1772 		struct dc *dc,
1773 		struct dc_state *context)
1774 {
1775 	int i;
1776 	struct dce_hwseq *hws = dc->hwseq;
1777 	DC_LOGGER_INIT(dc->ctx->logger);
1778 
1779 	/* Carry over GSL groups in case the context is changing. */
1780 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1781 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1782 		struct pipe_ctx *old_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
1783 
1784 		if (pipe_ctx->stream == old_pipe_ctx->stream)
1785 			pipe_ctx->stream_res.gsl_group = old_pipe_ctx->stream_res.gsl_group;
1786 	}
1787 
1788 	if (dc->hwss.program_triplebuffer != NULL && dc->debug.enable_tri_buf) {
1789 		for (i = 0; i < dc->res_pool->pipe_count; i++) {
1790 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
1791 
1792 			if (!pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe && pipe_ctx->plane_state) {
1793 				ASSERT(!pipe_ctx->plane_state->triplebuffer_flips);
1794 				/*turn off triple buffer for full update*/
1795 				dc->hwss.program_triplebuffer(
1796 						dc, pipe_ctx, pipe_ctx->plane_state->triplebuffer_flips);
1797 			}
1798 		}
1799 	}
1800 
1801 	/* Set pipe update flags and lock pipes */
1802 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1803 		dcn20_detect_pipe_changes(&dc->current_state->res_ctx.pipe_ctx[i],
1804 				&context->res_ctx.pipe_ctx[i]);
1805 
1806 	/* OTG blank before disabling all front ends */
1807 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1808 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
1809 				&& !context->res_ctx.pipe_ctx[i].top_pipe
1810 				&& !context->res_ctx.pipe_ctx[i].prev_odm_pipe
1811 				&& context->res_ctx.pipe_ctx[i].stream)
1812 			hws->funcs.blank_pixel_data(dc, &context->res_ctx.pipe_ctx[i], true);
1813 
1814 
1815 	/* Disconnect mpcc */
1816 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1817 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable
1818 				|| context->res_ctx.pipe_ctx[i].update_flags.bits.opp_changed) {
1819 			struct hubbub *hubbub = dc->res_pool->hubbub;
1820 
1821 			/* Phantom pipe DET should be 0, but if a pipe in use is being transitioned to phantom
1822 			 * then we want to do the programming here (effectively it's being disabled). If we do
1823 			 * the programming later the DET won't be updated until the OTG for the phantom pipe is
1824 			 * turned on (i.e. in an MCLK switch) which can come in too late and cause issues with
1825 			 * DET allocation.
1826 			 */
1827 			if (hubbub->funcs->program_det_size && (context->res_ctx.pipe_ctx[i].update_flags.bits.disable ||
1828 					(context->res_ctx.pipe_ctx[i].plane_state && context->res_ctx.pipe_ctx[i].plane_state->is_phantom)))
1829 				hubbub->funcs->program_det_size(hubbub, dc->current_state->res_ctx.pipe_ctx[i].plane_res.hubp->inst, 0);
1830 			hws->funcs.plane_atomic_disconnect(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1831 			DC_LOG_DC("Reset mpcc for pipe %d\n", dc->current_state->res_ctx.pipe_ctx[i].pipe_idx);
1832 		}
1833 
1834 	/*
1835 	 * Program all updated pipes, order matters for mpcc setup. Start with
1836 	 * top pipe and program all pipes that follow in order
1837 	 */
1838 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1839 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1840 
1841 		if (pipe->plane_state && !pipe->top_pipe) {
1842 			while (pipe) {
1843 				if (hws->funcs.program_pipe)
1844 					hws->funcs.program_pipe(dc, pipe, context);
1845 				else {
1846 					/* Don't program phantom pipes in the regular front end programming sequence.
1847 					 * There is an MPO transition case where a pipe being used by a video plane is
1848 					 * transitioned directly to be a phantom pipe when closing the MPO video. However
1849 					 * the phantom pipe will program a new HUBP_VTG_SEL (update takes place right away),
1850 					 * but the MPO still exists until the double buffered update of the main pipe so we
1851 					 * will get a frame of underflow if the phantom pipe is programmed here.
1852 					 */
1853 					if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_PHANTOM)
1854 						dcn20_program_pipe(dc, pipe, context);
1855 				}
1856 
1857 				pipe = pipe->bottom_pipe;
1858 			}
1859 		}
1860 		/* Program secondary blending tree and writeback pipes */
1861 		pipe = &context->res_ctx.pipe_ctx[i];
1862 		if (!pipe->top_pipe && !pipe->prev_odm_pipe
1863 				&& pipe->stream && pipe->stream->num_wb_info > 0
1864 				&& (pipe->update_flags.raw || (pipe->plane_state && pipe->plane_state->update_flags.raw)
1865 					|| pipe->stream->update_flags.raw)
1866 				&& hws->funcs.program_all_writeback_pipes_in_tree)
1867 			hws->funcs.program_all_writeback_pipes_in_tree(dc, pipe->stream, context);
1868 
1869 		/* Avoid underflow by check of pipe line read when adding 2nd plane. */
1870 		if (hws->wa.wait_hubpret_read_start_during_mpo_transition &&
1871 			!pipe->top_pipe &&
1872 			pipe->stream &&
1873 			pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start &&
1874 			dc->current_state->stream_status[0].plane_count == 1 &&
1875 			context->stream_status[0].plane_count > 1) {
1876 			pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start(pipe->plane_res.hubp);
1877 		}
1878 
1879 		/* when dynamic ODM is active, pipes must be reconfigured when all planes are
1880 		 * disabled, as some transitions will leave software and hardware state
1881 		 * mismatched.
1882 		 */
1883 		if (dc->debug.enable_single_display_2to1_odm_policy &&
1884 			pipe->stream &&
1885 			pipe->update_flags.bits.disable &&
1886 			!pipe->prev_odm_pipe &&
1887 			hws->funcs.update_odm)
1888 			hws->funcs.update_odm(dc, context, pipe);
1889 	}
1890 }
1891 
1892 void dcn20_post_unlock_program_front_end(
1893 		struct dc *dc,
1894 		struct dc_state *context)
1895 {
1896 	int i;
1897 	const unsigned int TIMEOUT_FOR_PIPE_ENABLE_MS = 100;
1898 	struct dce_hwseq *hwseq = dc->hwseq;
1899 
1900 	DC_LOGGER_INIT(dc->ctx->logger);
1901 
1902 	for (i = 0; i < dc->res_pool->pipe_count; i++)
1903 		if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable)
1904 			dc->hwss.disable_plane(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
1905 
1906 	/*
1907 	 * If we are enabling a pipe, we need to wait for pending clear as this is a critical
1908 	 * part of the enable operation otherwise, DM may request an immediate flip which
1909 	 * will cause HW to perform an "immediate enable" (as opposed to "vsync enable") which
1910 	 * is unsupported on DCN.
1911 	 */
1912 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1913 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1914 		// Don't check flip pending on phantom pipes
1915 		if (pipe->plane_state && !pipe->top_pipe && pipe->update_flags.bits.enable &&
1916 				pipe->stream->mall_stream_config.type != SUBVP_PHANTOM) {
1917 			struct hubp *hubp = pipe->plane_res.hubp;
1918 			int j = 0;
1919 
1920 			for (j = 0; j < TIMEOUT_FOR_PIPE_ENABLE_MS*1000
1921 					&& hubp->funcs->hubp_is_flip_pending(hubp); j++)
1922 				udelay(1);
1923 		}
1924 	}
1925 
1926 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1927 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1928 
1929 		if (pipe->plane_state && !pipe->top_pipe) {
1930 			/* Program phantom pipe here to prevent a frame of underflow in the MPO transition
1931 			 * case (if a pipe being used for a video plane transitions to a phantom pipe, it
1932 			 * can underflow due to HUBP_VTG_SEL programming if done in the regular front end
1933 			 * programming sequence).
1934 			 */
1935 			while (pipe) {
1936 				if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
1937 					/* When turning on the phantom pipe we want to run through the
1938 					 * entire enable sequence, so apply all the "enable" flags.
1939 					 */
1940 					if (dc->hwss.apply_update_flags_for_phantom)
1941 						dc->hwss.apply_update_flags_for_phantom(pipe);
1942 					if (dc->hwss.update_phantom_vp_position)
1943 						dc->hwss.update_phantom_vp_position(dc, context, pipe);
1944 					dcn20_program_pipe(dc, pipe, context);
1945 				}
1946 				pipe = pipe->bottom_pipe;
1947 			}
1948 		}
1949 	}
1950 
1951 	/* Only program the MALL registers after all the main and phantom pipes
1952 	 * are done programming.
1953 	 */
1954 	if (hwseq->funcs.program_mall_pipe_config)
1955 		hwseq->funcs.program_mall_pipe_config(dc, context);
1956 
1957 	/* WA to apply WM setting*/
1958 	if (hwseq->wa.DEGVIDCN21)
1959 		dc->res_pool->hubbub->funcs->apply_DEDCN21_147_wa(dc->res_pool->hubbub);
1960 
1961 
1962 	/* WA for stutter underflow during MPO transitions when adding 2nd plane */
1963 	if (hwseq->wa.disallow_self_refresh_during_multi_plane_transition) {
1964 
1965 		if (dc->current_state->stream_status[0].plane_count == 1 &&
1966 				context->stream_status[0].plane_count > 1) {
1967 
1968 			struct timing_generator *tg = dc->res_pool->timing_generators[0];
1969 
1970 			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub, false);
1971 
1972 			hwseq->wa_state.disallow_self_refresh_during_multi_plane_transition_applied = true;
1973 			hwseq->wa_state.disallow_self_refresh_during_multi_plane_transition_applied_on_frame = tg->funcs->get_frame_count(tg);
1974 		}
1975 	}
1976 }
1977 
1978 void dcn20_prepare_bandwidth(
1979 		struct dc *dc,
1980 		struct dc_state *context)
1981 {
1982 	struct hubbub *hubbub = dc->res_pool->hubbub;
1983 	unsigned int compbuf_size_kb = 0;
1984 	unsigned int cache_wm_a = context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns;
1985 	unsigned int i;
1986 
1987 	dc->clk_mgr->funcs->update_clocks(
1988 			dc->clk_mgr,
1989 			context,
1990 			false);
1991 
1992 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
1993 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
1994 
1995 		// At optimize don't restore the original watermark value
1996 		if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_NONE) {
1997 			context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 4U * 1000U * 1000U * 1000U;
1998 			break;
1999 		}
2000 	}
2001 
2002 	/* program dchubbub watermarks */
2003 	dc->wm_optimized_required = hubbub->funcs->program_watermarks(hubbub,
2004 					&context->bw_ctx.bw.dcn.watermarks,
2005 					dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
2006 					false);
2007 
2008 	// Restore the real watermark so we can commit the value to DMCUB
2009 	// DMCUB uses the "original" watermark value in SubVP MCLK switch
2010 	context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = cache_wm_a;
2011 
2012 	/* decrease compbuf size */
2013 	if (hubbub->funcs->program_compbuf_size) {
2014 		if (context->bw_ctx.dml.ip.min_comp_buffer_size_kbytes) {
2015 			compbuf_size_kb = context->bw_ctx.dml.ip.min_comp_buffer_size_kbytes;
2016 			dc->wm_optimized_required |= (compbuf_size_kb != dc->current_state->bw_ctx.dml.ip.min_comp_buffer_size_kbytes);
2017 		} else {
2018 			compbuf_size_kb = context->bw_ctx.bw.dcn.compbuf_size_kb;
2019 			dc->wm_optimized_required |= (compbuf_size_kb != dc->current_state->bw_ctx.bw.dcn.compbuf_size_kb);
2020 		}
2021 
2022 		hubbub->funcs->program_compbuf_size(hubbub, compbuf_size_kb, false);
2023 	}
2024 }
2025 
2026 void dcn20_optimize_bandwidth(
2027 		struct dc *dc,
2028 		struct dc_state *context)
2029 {
2030 	struct hubbub *hubbub = dc->res_pool->hubbub;
2031 	int i;
2032 
2033 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2034 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
2035 
2036 		// At optimize don't need  to restore the original watermark value
2037 		if (pipe->stream && pipe->stream->mall_stream_config.type != SUBVP_NONE) {
2038 			context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 4U * 1000U * 1000U * 1000U;
2039 			break;
2040 		}
2041 	}
2042 
2043 	/* program dchubbub watermarks */
2044 	hubbub->funcs->program_watermarks(hubbub,
2045 					&context->bw_ctx.bw.dcn.watermarks,
2046 					dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
2047 					true);
2048 
2049 	if (dc->clk_mgr->dc_mode_softmax_enabled)
2050 		if (dc->clk_mgr->clks.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
2051 				context->bw_ctx.bw.dcn.clk.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
2052 			dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->dc_mode_softmax_memclk);
2053 
2054 	/* increase compbuf size */
2055 	if (hubbub->funcs->program_compbuf_size)
2056 		hubbub->funcs->program_compbuf_size(hubbub, context->bw_ctx.bw.dcn.compbuf_size_kb, true);
2057 
2058 	dc->clk_mgr->funcs->update_clocks(
2059 			dc->clk_mgr,
2060 			context,
2061 			true);
2062 	if (dc_extended_blank_supported(dc) && context->bw_ctx.bw.dcn.clk.zstate_support == DCN_ZSTATE_SUPPORT_ALLOW) {
2063 		for (i = 0; i < dc->res_pool->pipe_count; ++i) {
2064 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2065 
2066 			if (pipe_ctx->stream && pipe_ctx->plane_res.hubp->funcs->program_extended_blank
2067 				&& pipe_ctx->stream->adjust.v_total_min == pipe_ctx->stream->adjust.v_total_max
2068 				&& pipe_ctx->stream->adjust.v_total_max > pipe_ctx->stream->timing.v_total)
2069 					pipe_ctx->plane_res.hubp->funcs->program_extended_blank(pipe_ctx->plane_res.hubp,
2070 						pipe_ctx->dlg_regs.optimized_min_dst_y_next_start);
2071 		}
2072 	}
2073 }
2074 
2075 bool dcn20_update_bandwidth(
2076 		struct dc *dc,
2077 		struct dc_state *context)
2078 {
2079 	int i;
2080 	struct dce_hwseq *hws = dc->hwseq;
2081 
2082 	/* recalculate DML parameters */
2083 	if (!dc->res_pool->funcs->validate_bandwidth(dc, context, false))
2084 		return false;
2085 
2086 	/* apply updated bandwidth parameters */
2087 	dc->hwss.prepare_bandwidth(dc, context);
2088 
2089 	/* update hubp configs for all pipes */
2090 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2091 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2092 
2093 		if (pipe_ctx->plane_state == NULL)
2094 			continue;
2095 
2096 		if (pipe_ctx->top_pipe == NULL) {
2097 			bool blank = !is_pipe_tree_visible(pipe_ctx);
2098 
2099 			pipe_ctx->stream_res.tg->funcs->program_global_sync(
2100 					pipe_ctx->stream_res.tg,
2101 					calculate_vready_offset_for_group(pipe_ctx),
2102 					pipe_ctx->pipe_dlg_param.vstartup_start,
2103 					pipe_ctx->pipe_dlg_param.vupdate_offset,
2104 					pipe_ctx->pipe_dlg_param.vupdate_width);
2105 
2106 			pipe_ctx->stream_res.tg->funcs->set_vtg_params(
2107 					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, false);
2108 
2109 			if (pipe_ctx->prev_odm_pipe == NULL)
2110 				hws->funcs.blank_pixel_data(dc, pipe_ctx, blank);
2111 
2112 			if (hws->funcs.setup_vupdate_interrupt)
2113 				hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx);
2114 		}
2115 
2116 		pipe_ctx->plane_res.hubp->funcs->hubp_setup(
2117 				pipe_ctx->plane_res.hubp,
2118 					&pipe_ctx->dlg_regs,
2119 					&pipe_ctx->ttu_regs,
2120 					&pipe_ctx->rq_regs,
2121 					&pipe_ctx->pipe_dlg_param);
2122 	}
2123 
2124 	return true;
2125 }
2126 
2127 void dcn20_enable_writeback(
2128 		struct dc *dc,
2129 		struct dc_writeback_info *wb_info,
2130 		struct dc_state *context)
2131 {
2132 	struct dwbc *dwb;
2133 	struct mcif_wb *mcif_wb;
2134 	struct timing_generator *optc;
2135 
2136 	ASSERT(wb_info->dwb_pipe_inst < MAX_DWB_PIPES);
2137 	ASSERT(wb_info->wb_enabled);
2138 	dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
2139 	mcif_wb = dc->res_pool->mcif_wb[wb_info->dwb_pipe_inst];
2140 
2141 	/* set the OPTC source mux */
2142 	optc = dc->res_pool->timing_generators[dwb->otg_inst];
2143 	optc->funcs->set_dwb_source(optc, wb_info->dwb_pipe_inst);
2144 	/* set MCIF_WB buffer and arbitration configuration */
2145 	mcif_wb->funcs->config_mcif_buf(mcif_wb, &wb_info->mcif_buf_params, wb_info->dwb_params.dest_height);
2146 	mcif_wb->funcs->config_mcif_arb(mcif_wb, &context->bw_ctx.bw.dcn.bw_writeback.mcif_wb_arb[wb_info->dwb_pipe_inst]);
2147 	/* Enable MCIF_WB */
2148 	mcif_wb->funcs->enable_mcif(mcif_wb);
2149 	/* Enable DWB */
2150 	dwb->funcs->enable(dwb, &wb_info->dwb_params);
2151 	/* TODO: add sequence to enable/disable warmup */
2152 }
2153 
2154 void dcn20_disable_writeback(
2155 		struct dc *dc,
2156 		unsigned int dwb_pipe_inst)
2157 {
2158 	struct dwbc *dwb;
2159 	struct mcif_wb *mcif_wb;
2160 
2161 	ASSERT(dwb_pipe_inst < MAX_DWB_PIPES);
2162 	dwb = dc->res_pool->dwbc[dwb_pipe_inst];
2163 	mcif_wb = dc->res_pool->mcif_wb[dwb_pipe_inst];
2164 
2165 	dwb->funcs->disable(dwb);
2166 	mcif_wb->funcs->disable_mcif(mcif_wb);
2167 }
2168 
2169 bool dcn20_wait_for_blank_complete(
2170 		struct output_pixel_processor *opp)
2171 {
2172 	int counter;
2173 
2174 	for (counter = 0; counter < 1000; counter++) {
2175 		if (opp->funcs->dpg_is_blanked(opp))
2176 			break;
2177 
2178 		udelay(100);
2179 	}
2180 
2181 	if (counter == 1000) {
2182 		dm_error("DC: failed to blank crtc!\n");
2183 		return false;
2184 	}
2185 
2186 	return true;
2187 }
2188 
2189 bool dcn20_dmdata_status_done(struct pipe_ctx *pipe_ctx)
2190 {
2191 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2192 
2193 	if (!hubp)
2194 		return false;
2195 	return hubp->funcs->dmdata_status_done(hubp);
2196 }
2197 
2198 void dcn20_disable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx)
2199 {
2200 	struct dce_hwseq *hws = dc->hwseq;
2201 
2202 	if (pipe_ctx->stream_res.dsc) {
2203 		struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2204 
2205 		hws->funcs.dsc_pg_control(hws, pipe_ctx->stream_res.dsc->inst, true);
2206 		while (odm_pipe) {
2207 			hws->funcs.dsc_pg_control(hws, odm_pipe->stream_res.dsc->inst, true);
2208 			odm_pipe = odm_pipe->next_odm_pipe;
2209 		}
2210 	}
2211 }
2212 
2213 void dcn20_enable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx)
2214 {
2215 	struct dce_hwseq *hws = dc->hwseq;
2216 
2217 	if (pipe_ctx->stream_res.dsc) {
2218 		struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
2219 
2220 		hws->funcs.dsc_pg_control(hws, pipe_ctx->stream_res.dsc->inst, false);
2221 		while (odm_pipe) {
2222 			hws->funcs.dsc_pg_control(hws, odm_pipe->stream_res.dsc->inst, false);
2223 			odm_pipe = odm_pipe->next_odm_pipe;
2224 		}
2225 	}
2226 }
2227 
2228 void dcn20_set_dmdata_attributes(struct pipe_ctx *pipe_ctx)
2229 {
2230 	struct dc_dmdata_attributes attr = { 0 };
2231 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2232 
2233 	attr.dmdata_mode = DMDATA_HW_MODE;
2234 	attr.dmdata_size =
2235 		dc_is_hdmi_signal(pipe_ctx->stream->signal) ? 32 : 36;
2236 	attr.address.quad_part =
2237 			pipe_ctx->stream->dmdata_address.quad_part;
2238 	attr.dmdata_dl_delta = 0;
2239 	attr.dmdata_qos_mode = 0;
2240 	attr.dmdata_qos_level = 0;
2241 	attr.dmdata_repeat = 1; /* always repeat */
2242 	attr.dmdata_updated = 1;
2243 	attr.dmdata_sw_data = NULL;
2244 
2245 	hubp->funcs->dmdata_set_attributes(hubp, &attr);
2246 }
2247 
2248 void dcn20_init_vm_ctx(
2249 		struct dce_hwseq *hws,
2250 		struct dc *dc,
2251 		struct dc_virtual_addr_space_config *va_config,
2252 		int vmid)
2253 {
2254 	struct dcn_hubbub_virt_addr_config config;
2255 
2256 	if (vmid == 0) {
2257 		ASSERT(0); /* VMID cannot be 0 for vm context */
2258 		return;
2259 	}
2260 
2261 	config.page_table_start_addr = va_config->page_table_start_addr;
2262 	config.page_table_end_addr = va_config->page_table_end_addr;
2263 	config.page_table_block_size = va_config->page_table_block_size_in_bytes;
2264 	config.page_table_depth = va_config->page_table_depth;
2265 	config.page_table_base_addr = va_config->page_table_base_addr;
2266 
2267 	dc->res_pool->hubbub->funcs->init_vm_ctx(dc->res_pool->hubbub, &config, vmid);
2268 }
2269 
2270 int dcn20_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
2271 {
2272 	struct dcn_hubbub_phys_addr_config config;
2273 
2274 	config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
2275 	config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
2276 	config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
2277 	config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
2278 	config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
2279 	config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
2280 	config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
2281 	config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
2282 	config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
2283 	config.page_table_default_page_addr = pa_config->page_table_default_page_addr;
2284 
2285 	return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
2286 }
2287 
2288 static bool patch_address_for_sbs_tb_stereo(
2289 		struct pipe_ctx *pipe_ctx, PHYSICAL_ADDRESS_LOC *addr)
2290 {
2291 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
2292 	bool sec_split = pipe_ctx->top_pipe &&
2293 			pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state;
2294 	if (sec_split && plane_state->address.type == PLN_ADDR_TYPE_GRPH_STEREO &&
2295 			(pipe_ctx->stream->timing.timing_3d_format ==
2296 			TIMING_3D_FORMAT_SIDE_BY_SIDE ||
2297 			pipe_ctx->stream->timing.timing_3d_format ==
2298 			TIMING_3D_FORMAT_TOP_AND_BOTTOM)) {
2299 		*addr = plane_state->address.grph_stereo.left_addr;
2300 		plane_state->address.grph_stereo.left_addr =
2301 				plane_state->address.grph_stereo.right_addr;
2302 		return true;
2303 	}
2304 
2305 	if (pipe_ctx->stream->view_format != VIEW_3D_FORMAT_NONE &&
2306 			plane_state->address.type != PLN_ADDR_TYPE_GRPH_STEREO) {
2307 		plane_state->address.type = PLN_ADDR_TYPE_GRPH_STEREO;
2308 		plane_state->address.grph_stereo.right_addr =
2309 				plane_state->address.grph_stereo.left_addr;
2310 		plane_state->address.grph_stereo.right_meta_addr =
2311 				plane_state->address.grph_stereo.left_meta_addr;
2312 	}
2313 	return false;
2314 }
2315 
2316 void dcn20_update_plane_addr(const struct dc *dc, struct pipe_ctx *pipe_ctx)
2317 {
2318 	bool addr_patched = false;
2319 	PHYSICAL_ADDRESS_LOC addr;
2320 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
2321 
2322 	if (plane_state == NULL)
2323 		return;
2324 
2325 	addr_patched = patch_address_for_sbs_tb_stereo(pipe_ctx, &addr);
2326 
2327 	// Call Helper to track VMID use
2328 	vm_helper_mark_vmid_used(dc->vm_helper, plane_state->address.vmid, pipe_ctx->plane_res.hubp->inst);
2329 
2330 	pipe_ctx->plane_res.hubp->funcs->hubp_program_surface_flip_and_addr(
2331 			pipe_ctx->plane_res.hubp,
2332 			&plane_state->address,
2333 			plane_state->flip_immediate);
2334 
2335 	plane_state->status.requested_address = plane_state->address;
2336 
2337 	if (plane_state->flip_immediate)
2338 		plane_state->status.current_address = plane_state->address;
2339 
2340 	if (addr_patched)
2341 		pipe_ctx->plane_state->address.grph_stereo.left_addr = addr;
2342 }
2343 
2344 void dcn20_unblank_stream(struct pipe_ctx *pipe_ctx,
2345 		struct dc_link_settings *link_settings)
2346 {
2347 	struct encoder_unblank_param params = {0};
2348 	struct dc_stream_state *stream = pipe_ctx->stream;
2349 	struct dc_link *link = stream->link;
2350 	struct dce_hwseq *hws = link->dc->hwseq;
2351 	struct pipe_ctx *odm_pipe;
2352 
2353 	params.opp_cnt = 1;
2354 	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
2355 		params.opp_cnt++;
2356 	}
2357 	/* only 3 items below are used by unblank */
2358 	params.timing = pipe_ctx->stream->timing;
2359 
2360 	params.link_settings.link_rate = link_settings->link_rate;
2361 
2362 	if (is_dp_128b_132b_signal(pipe_ctx)) {
2363 		/* TODO - DP2.0 HW: Set ODM mode in dp hpo encoder here */
2364 		pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_unblank(
2365 				pipe_ctx->stream_res.hpo_dp_stream_enc,
2366 				pipe_ctx->stream_res.tg->inst);
2367 	} else if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
2368 		if (optc2_is_two_pixels_per_containter(&stream->timing) || params.opp_cnt > 1)
2369 			params.timing.pix_clk_100hz /= 2;
2370 		pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine(
2371 				pipe_ctx->stream_res.stream_enc, params.opp_cnt > 1);
2372 		pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params);
2373 	}
2374 
2375 	if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
2376 		hws->funcs.edp_backlight_control(link, true);
2377 	}
2378 }
2379 
2380 void dcn20_setup_vupdate_interrupt(struct dc *dc, struct pipe_ctx *pipe_ctx)
2381 {
2382 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
2383 	int start_line = dc->hwss.get_vupdate_offset_from_vsync(pipe_ctx);
2384 
2385 	if (start_line < 0)
2386 		start_line = 0;
2387 
2388 	if (tg->funcs->setup_vertical_interrupt2)
2389 		tg->funcs->setup_vertical_interrupt2(tg, start_line);
2390 }
2391 
2392 static void dcn20_reset_back_end_for_pipe(
2393 		struct dc *dc,
2394 		struct pipe_ctx *pipe_ctx,
2395 		struct dc_state *context)
2396 {
2397 	int i;
2398 	struct dc_link *link = pipe_ctx->stream->link;
2399 	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
2400 
2401 	DC_LOGGER_INIT(dc->ctx->logger);
2402 	if (pipe_ctx->stream_res.stream_enc == NULL) {
2403 		pipe_ctx->stream = NULL;
2404 		return;
2405 	}
2406 
2407 	if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
2408 		/* DPMS may already disable or */
2409 		/* dpms_off status is incorrect due to fastboot
2410 		 * feature. When system resume from S4 with second
2411 		 * screen only, the dpms_off would be true but
2412 		 * VBIOS lit up eDP, so check link status too.
2413 		 */
2414 		if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
2415 			core_link_disable_stream(pipe_ctx);
2416 		else if (pipe_ctx->stream_res.audio)
2417 			dc->hwss.disable_audio_stream(pipe_ctx);
2418 
2419 		/* free acquired resources */
2420 		if (pipe_ctx->stream_res.audio) {
2421 			/*disable az_endpoint*/
2422 			pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
2423 
2424 			/*free audio*/
2425 			if (dc->caps.dynamic_audio == true) {
2426 				/*we have to dynamic arbitrate the audio endpoints*/
2427 				/*we free the resource, need reset is_audio_acquired*/
2428 				update_audio_usage(&dc->current_state->res_ctx, dc->res_pool,
2429 						pipe_ctx->stream_res.audio, false);
2430 				pipe_ctx->stream_res.audio = NULL;
2431 			}
2432 		}
2433 	}
2434 	else if (pipe_ctx->stream_res.dsc) {
2435 		dp_set_dsc_enable(pipe_ctx, false);
2436 	}
2437 
2438 	/* by upper caller loop, parent pipe: pipe0, will be reset last.
2439 	 * back end share by all pipes and will be disable only when disable
2440 	 * parent pipe.
2441 	 */
2442 	if (pipe_ctx->top_pipe == NULL) {
2443 
2444 		dc->hwss.set_abm_immediate_disable(pipe_ctx);
2445 
2446 		pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
2447 
2448 		pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
2449 		if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
2450 			pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
2451 					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
2452 
2453 		if (pipe_ctx->stream_res.tg->funcs->set_drr)
2454 			pipe_ctx->stream_res.tg->funcs->set_drr(
2455 					pipe_ctx->stream_res.tg, NULL);
2456 		/* TODO - convert symclk_ref_cnts for otg to a bit map to solve
2457 		 * the case where the same symclk is shared across multiple otg
2458 		 * instances
2459 		 */
2460 		link->phy_state.symclk_ref_cnts.otg = 0;
2461 		if (link->phy_state.symclk_state == SYMCLK_ON_TX_OFF) {
2462 			link_hwss->disable_link_output(link,
2463 					&pipe_ctx->link_res, pipe_ctx->stream->signal);
2464 			link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
2465 		}
2466 	}
2467 
2468 	for (i = 0; i < dc->res_pool->pipe_count; i++)
2469 		if (&dc->current_state->res_ctx.pipe_ctx[i] == pipe_ctx)
2470 			break;
2471 
2472 	if (i == dc->res_pool->pipe_count)
2473 		return;
2474 
2475 	pipe_ctx->stream = NULL;
2476 	DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n",
2477 					pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst);
2478 }
2479 
2480 void dcn20_reset_hw_ctx_wrap(
2481 		struct dc *dc,
2482 		struct dc_state *context)
2483 {
2484 	int i;
2485 	struct dce_hwseq *hws = dc->hwseq;
2486 
2487 	/* Reset Back End*/
2488 	for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) {
2489 		struct pipe_ctx *pipe_ctx_old =
2490 			&dc->current_state->res_ctx.pipe_ctx[i];
2491 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2492 
2493 		if (!pipe_ctx_old->stream)
2494 			continue;
2495 
2496 		if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe)
2497 			continue;
2498 
2499 		if (!pipe_ctx->stream ||
2500 				pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
2501 			struct clock_source *old_clk = pipe_ctx_old->clock_source;
2502 
2503 			dcn20_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state);
2504 			if (hws->funcs.enable_stream_gating)
2505 				hws->funcs.enable_stream_gating(dc, pipe_ctx_old);
2506 			if (old_clk)
2507 				old_clk->funcs->cs_power_down(old_clk);
2508 		}
2509 	}
2510 }
2511 
2512 void dcn20_update_visual_confirm_color(struct dc *dc, struct pipe_ctx *pipe_ctx, struct tg_color *color, int mpcc_id)
2513 {
2514 	struct mpc *mpc = dc->res_pool->mpc;
2515 
2516 	// input to MPCC is always RGB, by default leave black_color at 0
2517 	if (dc->debug.visual_confirm == VISUAL_CONFIRM_HDR)
2518 		get_hdr_visual_confirm_color(pipe_ctx, color);
2519 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SURFACE)
2520 		get_surface_visual_confirm_color(pipe_ctx, color);
2521 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_MPCTREE)
2522 		get_mpctree_visual_confirm_color(pipe_ctx, color);
2523 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SWIZZLE)
2524 		get_surface_tile_visual_confirm_color(pipe_ctx, color);
2525 	else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SUBVP)
2526 		get_subvp_visual_confirm_color(dc, pipe_ctx, color);
2527 
2528 	if (mpc->funcs->set_bg_color) {
2529 		memcpy(&pipe_ctx->plane_state->visual_confirm_color, color, sizeof(struct tg_color));
2530 		mpc->funcs->set_bg_color(mpc, color, mpcc_id);
2531 	}
2532 }
2533 
2534 void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
2535 {
2536 	struct hubp *hubp = pipe_ctx->plane_res.hubp;
2537 	struct mpcc_blnd_cfg blnd_cfg = {0};
2538 	bool per_pixel_alpha = pipe_ctx->plane_state->per_pixel_alpha;
2539 	int mpcc_id;
2540 	struct mpcc *new_mpcc;
2541 	struct mpc *mpc = dc->res_pool->mpc;
2542 	struct mpc_tree *mpc_tree_params = &(pipe_ctx->stream_res.opp->mpc_tree_params);
2543 
2544 	blnd_cfg.overlap_only = false;
2545 	blnd_cfg.global_gain = 0xff;
2546 
2547 	if (per_pixel_alpha) {
2548 		blnd_cfg.pre_multiplied_alpha = pipe_ctx->plane_state->pre_multiplied_alpha;
2549 		if (pipe_ctx->plane_state->global_alpha) {
2550 			blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN;
2551 			blnd_cfg.global_gain = pipe_ctx->plane_state->global_alpha_value;
2552 		} else {
2553 			blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA;
2554 		}
2555 	} else {
2556 		blnd_cfg.pre_multiplied_alpha = false;
2557 		blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA;
2558 	}
2559 
2560 	if (pipe_ctx->plane_state->global_alpha)
2561 		blnd_cfg.global_alpha = pipe_ctx->plane_state->global_alpha_value;
2562 	else
2563 		blnd_cfg.global_alpha = 0xff;
2564 
2565 	blnd_cfg.background_color_bpc = 4;
2566 	blnd_cfg.bottom_gain_mode = 0;
2567 	blnd_cfg.top_gain = 0x1f000;
2568 	blnd_cfg.bottom_inside_gain = 0x1f000;
2569 	blnd_cfg.bottom_outside_gain = 0x1f000;
2570 
2571 	if (pipe_ctx->plane_state->format
2572 			== SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA)
2573 		blnd_cfg.pre_multiplied_alpha = false;
2574 
2575 	/*
2576 	 * TODO: remove hack
2577 	 * Note: currently there is a bug in init_hw such that
2578 	 * on resume from hibernate, BIOS sets up MPCC0, and
2579 	 * we do mpcc_remove but the mpcc cannot go to idle
2580 	 * after remove. This cause us to pick mpcc1 here,
2581 	 * which causes a pstate hang for yet unknown reason.
2582 	 */
2583 	mpcc_id = hubp->inst;
2584 
2585 	/* If there is no full update, don't need to touch MPC tree*/
2586 	if (!pipe_ctx->plane_state->update_flags.bits.full_update &&
2587 		!pipe_ctx->update_flags.bits.mpcc) {
2588 		mpc->funcs->update_blending(mpc, &blnd_cfg, mpcc_id);
2589 		dc->hwss.update_visual_confirm_color(dc, pipe_ctx, &blnd_cfg.black_color, mpcc_id);
2590 		return;
2591 	}
2592 
2593 	/* check if this MPCC is already being used */
2594 	new_mpcc = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, mpcc_id);
2595 	/* remove MPCC if being used */
2596 	if (new_mpcc != NULL)
2597 		mpc->funcs->remove_mpcc(mpc, mpc_tree_params, new_mpcc);
2598 	else
2599 		if (dc->debug.sanity_checks)
2600 			mpc->funcs->assert_mpcc_idle_before_connect(
2601 					dc->res_pool->mpc, mpcc_id);
2602 
2603 	/* Call MPC to insert new plane */
2604 	new_mpcc = mpc->funcs->insert_plane(dc->res_pool->mpc,
2605 			mpc_tree_params,
2606 			&blnd_cfg,
2607 			NULL,
2608 			NULL,
2609 			hubp->inst,
2610 			mpcc_id);
2611 	dc->hwss.update_visual_confirm_color(dc, pipe_ctx, &blnd_cfg.black_color, mpcc_id);
2612 
2613 	ASSERT(new_mpcc != NULL);
2614 	hubp->opp_id = pipe_ctx->stream_res.opp->inst;
2615 	hubp->mpcc_id = mpcc_id;
2616 }
2617 
2618 void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
2619 {
2620 	enum dc_lane_count lane_count =
2621 		pipe_ctx->stream->link->cur_link_settings.lane_count;
2622 
2623 	struct dc_crtc_timing *timing = &pipe_ctx->stream->timing;
2624 	struct dc_link *link = pipe_ctx->stream->link;
2625 
2626 	uint32_t active_total_with_borders;
2627 	uint32_t early_control = 0;
2628 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
2629 	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
2630 	struct dc *dc = pipe_ctx->stream->ctx->dc;
2631 
2632 	if (is_dp_128b_132b_signal(pipe_ctx)) {
2633 		if (dc->hwseq->funcs.setup_hpo_hw_control)
2634 			dc->hwseq->funcs.setup_hpo_hw_control(dc->hwseq, true);
2635 	}
2636 
2637 	link_hwss->setup_stream_encoder(pipe_ctx);
2638 
2639 	if (pipe_ctx->plane_state && pipe_ctx->plane_state->flip_immediate != 1) {
2640 		if (dc->hwss.program_dmdata_engine)
2641 			dc->hwss.program_dmdata_engine(pipe_ctx);
2642 	}
2643 
2644 	dc->hwss.update_info_frame(pipe_ctx);
2645 
2646 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
2647 		dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
2648 
2649 	/* enable early control to avoid corruption on DP monitor*/
2650 	active_total_with_borders =
2651 			timing->h_addressable
2652 				+ timing->h_border_left
2653 				+ timing->h_border_right;
2654 
2655 	if (lane_count != 0)
2656 		early_control = active_total_with_borders % lane_count;
2657 
2658 	if (early_control == 0)
2659 		early_control = lane_count;
2660 
2661 	tg->funcs->set_early_control(tg, early_control);
2662 
2663 	if (dc->hwseq->funcs.set_pixels_per_cycle)
2664 		dc->hwseq->funcs.set_pixels_per_cycle(pipe_ctx);
2665 }
2666 
2667 void dcn20_program_dmdata_engine(struct pipe_ctx *pipe_ctx)
2668 {
2669 	struct dc_stream_state    *stream     = pipe_ctx->stream;
2670 	struct hubp               *hubp       = pipe_ctx->plane_res.hubp;
2671 	bool                       enable     = false;
2672 	struct stream_encoder     *stream_enc = pipe_ctx->stream_res.stream_enc;
2673 	enum dynamic_metadata_mode mode       = dc_is_dp_signal(stream->signal)
2674 							? dmdata_dp
2675 							: dmdata_hdmi;
2676 
2677 	/* if using dynamic meta, don't set up generic infopackets */
2678 	if (pipe_ctx->stream->dmdata_address.quad_part != 0) {
2679 		pipe_ctx->stream_res.encoder_info_frame.hdrsmd.valid = false;
2680 		enable = true;
2681 	}
2682 
2683 	if (!hubp)
2684 		return;
2685 
2686 	if (!stream_enc || !stream_enc->funcs->set_dynamic_metadata)
2687 		return;
2688 
2689 	stream_enc->funcs->set_dynamic_metadata(stream_enc, enable,
2690 						hubp->inst, mode);
2691 }
2692 
2693 void dcn20_fpga_init_hw(struct dc *dc)
2694 {
2695 	int i, j;
2696 	struct dce_hwseq *hws = dc->hwseq;
2697 	struct resource_pool *res_pool = dc->res_pool;
2698 	struct dc_state  *context = dc->current_state;
2699 
2700 	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
2701 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
2702 
2703 	// Initialize the dccg
2704 	if (res_pool->dccg->funcs->dccg_init)
2705 		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
2706 
2707 	//Enable ability to power gate / don't force power on permanently
2708 	hws->funcs.enable_power_gating_plane(hws, true);
2709 
2710 	// Specific to FPGA dccg and registers
2711 	REG_WRITE(RBBMIF_TIMEOUT_DIS, 0xFFFFFFFF);
2712 	REG_WRITE(RBBMIF_TIMEOUT_DIS_2, 0xFFFFFFFF);
2713 
2714 	hws->funcs.dccg_init(hws);
2715 
2716 	REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, 2);
2717 	REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
2718 	if (REG(REFCLK_CNTL))
2719 		REG_WRITE(REFCLK_CNTL, 0);
2720 	//
2721 
2722 
2723 	/* Blank pixel data with OPP DPG */
2724 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2725 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2726 
2727 		if (tg->funcs->is_tg_enabled(tg))
2728 			dcn20_init_blank(dc, tg);
2729 	}
2730 
2731 	for (i = 0; i < res_pool->timing_generator_count; i++) {
2732 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2733 
2734 		if (tg->funcs->is_tg_enabled(tg))
2735 			tg->funcs->lock(tg);
2736 	}
2737 
2738 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2739 		struct dpp *dpp = res_pool->dpps[i];
2740 
2741 		dpp->funcs->dpp_reset(dpp);
2742 	}
2743 
2744 	/* Reset all MPCC muxes */
2745 	res_pool->mpc->funcs->mpc_init(res_pool->mpc);
2746 
2747 	/* initialize OPP mpc_tree parameter */
2748 	for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
2749 		res_pool->opps[i]->mpc_tree_params.opp_id = res_pool->opps[i]->inst;
2750 		res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
2751 		for (j = 0; j < MAX_PIPES; j++)
2752 			res_pool->opps[i]->mpcc_disconnect_pending[j] = false;
2753 	}
2754 
2755 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2756 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2757 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2758 		struct hubp *hubp = dc->res_pool->hubps[i];
2759 		struct dpp *dpp = dc->res_pool->dpps[i];
2760 
2761 		pipe_ctx->stream_res.tg = tg;
2762 		pipe_ctx->pipe_idx = i;
2763 
2764 		pipe_ctx->plane_res.hubp = hubp;
2765 		pipe_ctx->plane_res.dpp = dpp;
2766 		pipe_ctx->plane_res.mpcc_inst = dpp->inst;
2767 		hubp->mpcc_id = dpp->inst;
2768 		hubp->opp_id = OPP_ID_INVALID;
2769 		hubp->power_gated = false;
2770 		pipe_ctx->stream_res.opp = NULL;
2771 
2772 		hubp->funcs->hubp_init(hubp);
2773 
2774 		//dc->res_pool->opps[i]->mpc_tree_params.opp_id = dc->res_pool->opps[i]->inst;
2775 		//dc->res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
2776 		dc->res_pool->opps[i]->mpcc_disconnect_pending[pipe_ctx->plane_res.mpcc_inst] = true;
2777 		pipe_ctx->stream_res.opp = dc->res_pool->opps[i];
2778 		/*to do*/
2779 		hws->funcs.plane_atomic_disconnect(dc, pipe_ctx);
2780 	}
2781 
2782 	/* initialize DWB pointer to MCIF_WB */
2783 	for (i = 0; i < res_pool->res_cap->num_dwb; i++)
2784 		res_pool->dwbc[i]->mcif = res_pool->mcif_wb[i];
2785 
2786 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2787 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2788 
2789 		if (tg->funcs->is_tg_enabled(tg))
2790 			tg->funcs->unlock(tg);
2791 	}
2792 
2793 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
2794 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
2795 
2796 		dc->hwss.disable_plane(dc, pipe_ctx);
2797 
2798 		pipe_ctx->stream_res.tg = NULL;
2799 		pipe_ctx->plane_res.hubp = NULL;
2800 	}
2801 
2802 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
2803 		struct timing_generator *tg = dc->res_pool->timing_generators[i];
2804 
2805 		tg->funcs->tg_init(tg);
2806 	}
2807 
2808 	if (dc->res_pool->hubbub->funcs->init_crb)
2809 		dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
2810 }
2811 #ifndef TRIM_FSFT
2812 bool dcn20_optimize_timing_for_fsft(struct dc *dc,
2813 		struct dc_crtc_timing *timing,
2814 		unsigned int max_input_rate_in_khz)
2815 {
2816 	unsigned int old_v_front_porch;
2817 	unsigned int old_v_total;
2818 	unsigned int max_input_rate_in_100hz;
2819 	unsigned long long new_v_total;
2820 
2821 	max_input_rate_in_100hz = max_input_rate_in_khz * 10;
2822 	if (max_input_rate_in_100hz < timing->pix_clk_100hz)
2823 		return false;
2824 
2825 	old_v_total = timing->v_total;
2826 	old_v_front_porch = timing->v_front_porch;
2827 
2828 	timing->fast_transport_output_rate_100hz = timing->pix_clk_100hz;
2829 	timing->pix_clk_100hz = max_input_rate_in_100hz;
2830 
2831 	new_v_total = div_u64((unsigned long long)old_v_total * max_input_rate_in_100hz, timing->pix_clk_100hz);
2832 
2833 	timing->v_total = new_v_total;
2834 	timing->v_front_porch = old_v_front_porch + (timing->v_total - old_v_total);
2835 	return true;
2836 }
2837 #endif
2838 
2839 void dcn20_set_disp_pattern_generator(const struct dc *dc,
2840 		struct pipe_ctx *pipe_ctx,
2841 		enum controller_dp_test_pattern test_pattern,
2842 		enum controller_dp_color_space color_space,
2843 		enum dc_color_depth color_depth,
2844 		const struct tg_color *solid_color,
2845 		int width, int height, int offset)
2846 {
2847 	pipe_ctx->stream_res.opp->funcs->opp_set_disp_pattern_generator(pipe_ctx->stream_res.opp, test_pattern,
2848 			color_space, color_depth, solid_color, width, height, offset);
2849 }
2850